docs: docs update (#911)

Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:
- [ ] Make sure to open an issue as a [bug/issue](https://github.com/googleapis/google-api-python-client/issues/new/choose) before writing your code!  That way we can discuss the change, evaluate designs, and agree on the general idea
- [ ] Ensure the tests and linter pass
- [ ] Code coverage does not decrease (if any source code was changed)
- [ ] Appropriate docs were updated (if necessary)

Fixes #<issue_number_goes_here> 🦕
diff --git a/docs/dyn/fcm_v1.projects.messages.html b/docs/dyn/fcm_v1.projects.messages.html
index d6a1692..256ec89 100644
--- a/docs/dyn/fcm_v1.projects.messages.html
+++ b/docs/dyn/fcm_v1.projects.messages.html
@@ -92,16 +92,13 @@
     The object takes the form of:
 
 { # Request to send a message to specified target.
-    "message": { # Message to send by Firebase Cloud Messaging Service. # Required. Message to send.
-      "name": "A String", # Output Only. The identifier of the message sent, in the format of
-          # `projects/*/messages/{message_id}`.
-      "fcmOptions": { # Platform independent options for features provided by the FCM SDKs. # Input only. Template for FCM SDK feature options to use across all
-          # platforms.
-        "analyticsLabel": "A String", # Label associated with the message's analytics data.
-      },
-      "notification": { # Basic notification template to use across all platforms. # Input only. Basic notification template to use across all platforms.
-        "body": "A String", # The notification's body text.
-        "image": "A String", # Contains the URL of an image that is going to be downloaded on the device
+    &quot;message&quot;: { # Message to send by Firebase Cloud Messaging Service. # Required. Message to send.
+      &quot;topic&quot;: &quot;A String&quot;, # Topic name to send a message to, e.g. &quot;weather&quot;.
+          # Note: &quot;/topics/&quot; prefix should not be provided.
+      &quot;notification&quot;: { # Basic notification template to use across all platforms. # Input only. Basic notification template to use across all platforms.
+        &quot;body&quot;: &quot;A String&quot;, # The notification&#x27;s body text.
+        &quot;title&quot;: &quot;A String&quot;, # The notification&#x27;s title.
+        &quot;image&quot;: &quot;A String&quot;, # Contains the URL of an image that is going to be downloaded on the device
             # and displayed in a notification.
             # JPEG, PNG, BMP have full support across platforms. Animated GIF and video
             # only work on iOS. WebP and HEIF have varying levels of support across
@@ -109,119 +106,154 @@
             # Android has 1MB image size limit.
             # Quota usage and implications/costs for hosting image on Firebase Storage:
             # https://firebase.google.com/pricing
-        "title": "A String", # The notification's title.
       },
-      "token": "A String", # Registration token to send a message to.
-      "webpush": { # [Webpush protocol](https://tools.ietf.org/html/rfc8030) options. # Input only. [Webpush protocol](https://tools.ietf.org/html/rfc8030)
-          # options.
-        "notification": { # Web Notification options as a JSON object. Supports Notification instance
-            # properties as defined in [Web Notification
-            # API](https://developer.mozilla.org/en-US/docs/Web/API/Notification). If
-            # present, "title" and "body" fields override
-            # [google.firebase.fcm.v1.Notification.title] and
-            # [google.firebase.fcm.v1.Notification.body].
-          "a_key": "", # Properties of the object.
-        },
-        "data": { # Arbitrary key/value payload. If present, it will override
+      &quot;fcmOptions&quot;: { # Platform independent options for features provided by the FCM SDKs. # Input only. Template for FCM SDK feature options to use across all
+          # platforms.
+        &quot;analyticsLabel&quot;: &quot;A String&quot;, # Label associated with the message&#x27;s analytics data.
+      },
+      &quot;data&quot;: { # Input only. Arbitrary key/value payload. The key should not be a reserved
+          # word (&quot;from&quot;, &quot;message_type&quot;, or any word starting with &quot;google&quot; or &quot;gcm&quot;).
+        &quot;a_key&quot;: &quot;A String&quot;,
+      },
+      &quot;token&quot;: &quot;A String&quot;, # Registration token to send a message to.
+      &quot;android&quot;: { # Android specific options for messages sent through # Input only. Android specific options for messages sent through
+          # [FCM connection server](https://goo.gl/4GLdUl).
+          # [FCM connection server](https://goo.gl/4GLdUl).
+        &quot;data&quot;: { # Arbitrary key/value payload. If present, it will override
             # google.firebase.fcm.v1.Message.data.
-          "a_key": "A String",
+          &quot;a_key&quot;: &quot;A String&quot;,
         },
-        "fcmOptions": { # Options for features provided by the FCM SDK for Web. # Options for features provided by the FCM SDK for Web.
-          "analyticsLabel": "A String", # Label associated with the message's analytics data.
-          "link": "A String", # The link to open when the user clicks on the notification.
-              # For all URL values, HTTPS is required.
+        &quot;priority&quot;: &quot;A String&quot;, # Message priority. Can take &quot;normal&quot; and &quot;high&quot; values.
+            # For more information, see [Setting the priority of a
+            # message](https://goo.gl/GjONJv).
+        &quot;collapseKey&quot;: &quot;A String&quot;, # An identifier of a group of messages that can be collapsed, so that only
+            # the last message gets sent when delivery can be resumed. A maximum of 4
+            # different collapse keys is allowed at any given time.
+        &quot;directBootOk&quot;: True or False, # If set to true, messages will be allowed to be delivered to the app while
+            # the device is in direct boot mode. See [Support Direct Boot
+            # mode](https://developer.android.com/training/articles/direct-boot).
+        &quot;fcmOptions&quot;: { # Options for features provided by the FCM SDK for Android. # Options for features provided by the FCM SDK for Android.
+          &quot;analyticsLabel&quot;: &quot;A String&quot;, # Label associated with the message&#x27;s analytics data.
         },
-        "headers": { # HTTP headers defined in webpush protocol. Refer to
-            # [Webpush protocol](https://tools.ietf.org/html/rfc8030#section-5) for
-            # supported headers, e.g. "TTL": "15".
-          "a_key": "A String",
-        },
-      },
-      "topic": "A String", # Topic name to send a message to, e.g. "weather".
-          # Note: "/topics/" prefix should not be provided.
-      "apns": { # [Apple Push Notification Service](https://goo.gl/MXRTPa) specific options. # Input only. [Apple Push Notification Service](https://goo.gl/MXRTPa)
-          # specific options.
-        "headers": { # HTTP request headers defined in Apple Push Notification Service. Refer to
-            # [APNs request
-            # headers](https://developer.apple.com/documentation/usernotifications/setting_up_a_remote_notification_server/sending_notification_requests_to_apns)
-            # for supported headers, e.g. "apns-priority": "10".
-          "a_key": "A String",
-        },
-        "payload": { # APNs payload as a JSON object, including both `aps` dictionary and custom
-            # payload. See [Payload Key
-            # Reference](https://developer.apple.com/documentation/usernotifications/setting_up_a_remote_notification_server/generating_a_remote_notification).
-            # If present, it overrides google.firebase.fcm.v1.Notification.title
-            # and google.firebase.fcm.v1.Notification.body.
-          "a_key": "", # Properties of the object.
-        },
-        "fcmOptions": { # Options for features provided by the FCM SDK for iOS. # Options for features provided by the FCM SDK for iOS.
-          "image": "A String", # Contains the URL of an image that is going to be displayed in a
+        &quot;notification&quot;: { # Notification to send to android devices. # Notification to send to android devices.
+          &quot;tag&quot;: &quot;A String&quot;, # Identifier used to replace existing notifications in the notification
+              # drawer.
+              # If not specified, each request creates a new notification.
+              # If specified and a notification with the same tag is already being shown,
+              # the new notification replaces the existing one in the notification drawer.
+          &quot;titleLocKey&quot;: &quot;A String&quot;, # The key to the title string in the app&#x27;s string resources to use to
+              # localize the title text to the user&#x27;s current localization.
+              # See [String Resources](https://goo.gl/NdFZGI) for more information.
+          &quot;image&quot;: &quot;A String&quot;, # Contains the URL of an image that is going to be displayed in a
               # notification. If present, it will override
               # google.firebase.fcm.v1.Notification.image.
-          "analyticsLabel": "A String", # Label associated with the message's analytics data.
-        },
-      },
-      "android": { # Android specific options for messages sent through # Input only. Android specific options for messages sent through
-          # [FCM connection server](https://goo.gl/4GLdUl).
-          # [FCM connection server](https://goo.gl/4GLdUl).
-        "fcmOptions": { # Options for features provided by the FCM SDK for Android. # Options for features provided by the FCM SDK for Android.
-          "analyticsLabel": "A String", # Label associated with the message's analytics data.
-        },
-        "notification": { # Notification to send to android devices. # Notification to send to android devices.
-          "defaultVibrateTimings": True or False, # If set to true, use the Android framework's default vibrate pattern for the
+          &quot;visibility&quot;: &quot;A String&quot;, # Set the
+              # [Notification.visibility](https://developer.android.com/reference/android/app/Notification.html#visibility)
+              # of the notification.
+          &quot;ticker&quot;: &quot;A String&quot;, # Sets the &quot;ticker&quot; text, which is sent to accessibility services.
+              # Prior to API level 21 (`Lollipop`), sets the text that is displayed in the
+              # status bar when the notification first arrives.
+          &quot;title&quot;: &quot;A String&quot;, # The notification&#x27;s title. If present, it will override
+              # google.firebase.fcm.v1.Notification.title.
+          &quot;defaultSound&quot;: True or False, # If set to true, use the Android framework&#x27;s default sound for the
+              # notification. Default values are specified in
+              # [config.xml](https://android.googlesource.com/platform/frameworks/base/+/master/core/res/res/values/config.xml).
+          &quot;sticky&quot;: True or False, # When set to false or unset, the notification is automatically
+              # dismissed when the user clicks it in the panel. When set to true, the
+              # notification persists even when the user clicks it.
+          &quot;titleLocArgs&quot;: [ # Variable string values to be used in place of the format specifiers in
+              # title_loc_key to use to localize the title text to the user&#x27;s current
+              # localization.
+              # See [Formatting and Styling](https://goo.gl/MalYE3) for more information.
+            &quot;A String&quot;,
+          ],
+          &quot;channelId&quot;: &quot;A String&quot;, # The [notification&#x27;s channel
+              # id](https://developer.android.com/guide/topics/ui/notifiers/notifications#ManageChannels)
+              # (new in Android O). The app must create a channel with this channel ID
+              # before any notification with this channel ID is received. If you don&#x27;t send
+              # this channel ID in the request, or if the channel ID provided has not yet
+              # been created by the app, FCM uses the channel ID specified in the app
+              # manifest.
+          &quot;defaultVibrateTimings&quot;: True or False, # If set to true, use the Android framework&#x27;s default vibrate pattern for the
               # notification. Default values are specified in
               # [config.xml](https://android.googlesource.com/platform/frameworks/base/+/master/core/res/res/values/config.xml).
               # If `default_vibrate_timings` is set to true and `vibrate_timings` is also
               # set, the default value is used instead of the user-specified
               # `vibrate_timings`.
-          "bodyLocKey": "A String", # The key to the body string in the app's string resources to use to localize
-              # the body text to the user's current localization.
-              # See [String Resources](https://goo.gl/NdFZGI) for more information.
-          "color": "A String", # The notification's icon color, expressed in #rrggbb format.
-          "image": "A String", # Contains the URL of an image that is going to be displayed in a
-              # notification. If present, it will override
-              # google.firebase.fcm.v1.Notification.image.
-          "channelId": "A String", # The [notification's channel
-              # id](https://developer.android.com/guide/topics/ui/notifiers/notifications#ManageChannels)
-              # (new in Android O). The app must create a channel with this channel ID
-              # before any notification with this channel ID is received. If you don't send
-              # this channel ID in the request, or if the channel ID provided has not yet
-              # been created by the app, FCM uses the channel ID specified in the app
-              # manifest.
-          "titleLocKey": "A String", # The key to the title string in the app's string resources to use to
-              # localize the title text to the user's current localization.
-              # See [String Resources](https://goo.gl/NdFZGI) for more information.
-          "sticky": True or False, # When set to false or unset, the notification is automatically
-              # dismissed when the user clicks it in the panel. When set to true, the
-              # notification persists even when the user clicks it.
-          "tag": "A String", # Identifier used to replace existing notifications in the notification
-              # drawer.
-              # If not specified, each request creates a new notification.
-              # If specified and a notification with the same tag is already being shown,
-              # the new notification replaces the existing one in the notification drawer.
-          "defaultSound": True or False, # If set to true, use the Android framework's default sound for the
-              # notification. Default values are specified in
-              # [config.xml](https://android.googlesource.com/platform/frameworks/base/+/master/core/res/res/values/config.xml).
-          "defaultLightSettings": True or False, # If set to true, use the Android framework's default LED light settings for
+          &quot;clickAction&quot;: &quot;A String&quot;, # The action associated with a user click on the notification.
+              # If specified, an activity with a matching intent filter is launched when
+              # a user clicks on the notification.
+          &quot;eventTime&quot;: &quot;A String&quot;, # Set the time that the event in the notification occurred. Notifications in
+              # the panel are sorted by this time. A point in time is represented using
+              # [protobuf.Timestamp](https://developers.google.com/protocol-buffers/docs/reference/java/com/google/protobuf/Timestamp).
+          &quot;defaultLightSettings&quot;: True or False, # If set to true, use the Android framework&#x27;s default LED light settings for
               # the notification. Default values are specified in
               # [config.xml](https://android.googlesource.com/platform/frameworks/base/+/master/core/res/res/values/config.xml).
               # If `default_light_settings` is set to true and `light_settings` is also
               # set, the user-specified `light_settings` is used instead of the
               # default value.
-          "eventTime": "A String", # Set the time that the event in the notification occurred. Notifications in
-              # the panel are sorted by this time. A point in time is represented using
-              # [protobuf.Timestamp](https://developers.google.com/protocol-buffers/docs/reference/java/com/google/protobuf/Timestamp).
-          "lightSettings": { # Settings to control notification LED. # Settings to control the notification's LED blinking rate and color if LED
+          &quot;localOnly&quot;: True or False, # Set whether or not this notification is relevant only to the current
+              # device. Some notifications can be bridged to other devices for remote
+              # display, such as a Wear OS watch. This hint can be set to recommend this
+              # notification not be bridged. See [Wear OS
+              # guides](https://developer.android.com/training/wearables/notifications/bridger#existing-method-of-preventing-bridging)
+          &quot;notificationPriority&quot;: &quot;A String&quot;, # Set the relative priority for this notification. Priority is an indication
+              # of how much of the user&#x27;s attention should be consumed by this
+              # notification. Low-priority notifications may be hidden from the user in
+              # certain situations, while the user might be interrupted for a
+              # higher-priority notification. The effect of setting the same priorities may
+              # differ slightly on different platforms. Note this priority differs from
+              # `AndroidMessagePriority`. This priority is processed by the client after
+              # the message has been delivered, whereas
+              # [AndroidMessagePriority](https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages#androidmessagepriority)
+              # is an FCM concept that controls when the message is delivered.
+          &quot;vibrateTimings&quot;: [ # Set the vibration pattern to use. Pass in an array of
+              # [protobuf.Duration](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#google.protobuf.Duration)
+              # to turn on or off the vibrator. The first value indicates the `Duration` to
+              # wait before turning the vibrator on. The next value indicates the
+              # `Duration` to keep the vibrator on. Subsequent values alternate between
+              # `Duration` to turn the vibrator off and to turn the vibrator on.
+              # If `vibrate_timings` is set and `default_vibrate_timings` is set to `true`,
+              # the default value is used instead of the user-specified `vibrate_timings`.
+            &quot;A String&quot;,
+          ],
+          &quot;sound&quot;: &quot;A String&quot;, # The sound to play when the device receives the notification.
+              # Supports &quot;default&quot; or the filename of a sound resource bundled in the app.
+              # Sound files must reside in /res/raw/.
+          &quot;bodyLocKey&quot;: &quot;A String&quot;, # The key to the body string in the app&#x27;s string resources to use to localize
+              # the body text to the user&#x27;s current localization.
+              # See [String Resources](https://goo.gl/NdFZGI) for more information.
+          &quot;notificationCount&quot;: 42, # Sets the number of items this notification represents. May be displayed as
+              # a badge count for launchers that support badging.See [Notification
+              # Badge](https://developer.android.com/training/notify-user/badges).
+              # For example, this might be useful if you&#x27;re using just one notification to
+              # represent multiple new messages but you want the count here to represent
+              # the number of total new messages.
+              # If zero or unspecified, systems that support badging use the default, which
+              # is to increment a number displayed on the long-press menu each time a new
+              # notification arrives.
+          &quot;bodyLocArgs&quot;: [ # Variable string values to be used in place of the format specifiers in
+              # body_loc_key to use to localize the body text to the user&#x27;s current
+              # localization.
+              # See [Formatting and Styling](https://goo.gl/MalYE3) for more information.
+            &quot;A String&quot;,
+          ],
+          &quot;body&quot;: &quot;A String&quot;, # The notification&#x27;s body text. If present, it will override
+              # google.firebase.fcm.v1.Notification.body.
+          &quot;lightSettings&quot;: { # Settings to control notification LED. # Settings to control the notification&#x27;s LED blinking rate and color if LED
               # is available on the device. The total blinking time is controlled by the
               # OS.
-            "color": { # Represents a color in the RGBA color space. This representation is designed # Required. Set `color` of the LED with
+            &quot;lightOffDuration&quot;: &quot;A String&quot;, # Required. Along with `light_on_duration `, define the blink rate of LED
+                # flashes. Resolution defined by
+                # [proto.Duration](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#google.protobuf.Duration)
+            &quot;color&quot;: { # Represents a color in the RGBA color space. This representation is designed # Required. Set `color` of the LED with
                 # [google.type.Color](https://github.com/googleapis/googleapis/blob/master/google/type/color.proto).
                 # for simplicity of conversion to/from color representations in various
                 # languages over compactness; for example, the fields of this representation
-                # can be trivially provided to the constructor of "java.awt.Color" in Java; it
-                # can also be trivially provided to UIColor's "+colorWithRed:green:blue:alpha"
+                # can be trivially provided to the constructor of &quot;java.awt.Color&quot; in Java; it
+                # can also be trivially provided to UIColor&#x27;s &quot;+colorWithRed:green:blue:alpha&quot;
                 # method in iOS; and, with just a little work, it can be easily formatted into
-                # a CSS "rgba()" string in JavaScript, as well.
+                # a CSS &quot;rgba()&quot; string in JavaScript, as well.
                 #
                 # Note: this proto does not carry information about the absolute color space
                 # that should be used to interpret the RGB value (e.g. sRGB, Adobe RGB,
@@ -312,30 +344,32 @@
                 #        var green = Math.floor(greenFrac * 255);
                 #        var blue = Math.floor(blueFrac * 255);
                 #
-                #        if (!('alpha' in rgb_color)) {
+                #        if (!(&#x27;alpha&#x27; in rgb_color)) {
                 #           return rgbToCssColor_(red, green, blue);
                 #        }
                 #
                 #        var alphaFrac = rgb_color.alpha.value || 0.0;
-                #        var rgbParams = [red, green, blue].join(',');
-                #        return ['rgba(', rgbParams, ',', alphaFrac, ')'].join('');
+                #        var rgbParams = [red, green, blue].join(&#x27;,&#x27;);
+                #        return [&#x27;rgba(&#x27;, rgbParams, &#x27;,&#x27;, alphaFrac, &#x27;)&#x27;].join(&#x27;&#x27;);
                 #     };
                 #
                 #     var rgbToCssColor_ = function(red, green, blue) {
                 #       var rgbNumber = new Number((red &lt;&lt; 16) | (green &lt;&lt; 8) | blue);
                 #       var hexString = rgbNumber.toString(16);
                 #       var missingZeros = 6 - hexString.length;
-                #       var resultBuilder = ['#'];
+                #       var resultBuilder = [&#x27;#&#x27;];
                 #       for (var i = 0; i &lt; missingZeros; i++) {
-                #          resultBuilder.push('0');
+                #          resultBuilder.push(&#x27;0&#x27;);
                 #       }
                 #       resultBuilder.push(hexString);
-                #       return resultBuilder.join('');
+                #       return resultBuilder.join(&#x27;&#x27;);
                 #     };
                 #
                 #     // ...
-              "blue": 3.14, # The amount of blue in the color as a value in the interval [0, 1].
-              "alpha": 3.14, # The fraction of this color that should be applied to the pixel. That is,
+              &quot;red&quot;: 3.14, # The amount of red in the color as a value in the interval [0, 1].
+              &quot;green&quot;: 3.14, # The amount of green in the color as a value in the interval [0, 1].
+              &quot;blue&quot;: 3.14, # The amount of blue in the color as a value in the interval [0, 1].
+              &quot;alpha&quot;: 3.14, # The fraction of this color that should be applied to the pixel. That is,
                   # the final pixel color is defined by the equation:
                   #
                   #   pixel color = alpha * (this color) + (1.0 - alpha) * (background color)
@@ -346,118 +380,84 @@
                   # possible to distinguish between a default value and the value being unset.
                   # If omitted, this color object is to be rendered as a solid color
                   # (as if the alpha value had been explicitly given with a value of 1.0).
-              "green": 3.14, # The amount of green in the color as a value in the interval [0, 1].
-              "red": 3.14, # The amount of red in the color as a value in the interval [0, 1].
             },
-            "lightOnDuration": "A String", # Required. Along with `light_off_duration`, define the blink rate of LED
-                # flashes. Resolution defined by
-                # [proto.Duration](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#google.protobuf.Duration)
-            "lightOffDuration": "A String", # Required. Along with `light_on_duration `, define the blink rate of LED
+            &quot;lightOnDuration&quot;: &quot;A String&quot;, # Required. Along with `light_off_duration`, define the blink rate of LED
                 # flashes. Resolution defined by
                 # [proto.Duration](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#google.protobuf.Duration)
           },
-          "title": "A String", # The notification's title. If present, it will override
-              # google.firebase.fcm.v1.Notification.title.
-          "notificationCount": 42, # Sets the number of items this notification represents. May be displayed as
-              # a badge count for launchers that support badging.See [Notification
-              # Badge](https://developer.android.com/training/notify-user/badges).
-              # For example, this might be useful if you're using just one notification to
-              # represent multiple new messages but you want the count here to represent
-              # the number of total new messages.
-              # If zero or unspecified, systems that support badging use the default, which
-              # is to increment a number displayed on the long-press menu each time a new
-              # notification arrives.
-          "body": "A String", # The notification's body text. If present, it will override
-              # google.firebase.fcm.v1.Notification.body.
-          "bodyLocArgs": [ # Variable string values to be used in place of the format specifiers in
-              # body_loc_key to use to localize the body text to the user's current
-              # localization.
-              # See [Formatting and Styling](https://goo.gl/MalYE3) for more information.
-            "A String",
-          ],
-          "localOnly": True or False, # Set whether or not this notification is relevant only to the current
-              # device. Some notifications can be bridged to other devices for remote
-              # display, such as a Wear OS watch. This hint can be set to recommend this
-              # notification not be bridged. See [Wear OS
-              # guides](https://developer.android.com/training/wearables/notifications/bridger#existing-method-of-preventing-bridging)
-          "visibility": "A String", # Set the
-              # [Notification.visibility](https://developer.android.com/reference/android/app/Notification.html#visibility)
-              # of the notification.
-          "ticker": "A String", # Sets the "ticker" text, which is sent to accessibility services.
-              # Prior to API level 21 (`Lollipop`), sets the text that is displayed in the
-              # status bar when the notification first arrives.
-          "icon": "A String", # The notification's icon.
+          &quot;icon&quot;: &quot;A String&quot;, # The notification&#x27;s icon.
               # Sets the notification icon to myicon for drawable resource myicon.
-              # If you don't send this key in the request, FCM displays the launcher icon
+              # If you don&#x27;t send this key in the request, FCM displays the launcher icon
               # specified in your app manifest.
-          "sound": "A String", # The sound to play when the device receives the notification.
-              # Supports "default" or the filename of a sound resource bundled in the app.
-              # Sound files must reside in /res/raw/.
-          "clickAction": "A String", # The action associated with a user click on the notification.
-              # If specified, an activity with a matching intent filter is launched when
-              # a user clicks on the notification.
-          "titleLocArgs": [ # Variable string values to be used in place of the format specifiers in
-              # title_loc_key to use to localize the title text to the user's current
-              # localization.
-              # See [Formatting and Styling](https://goo.gl/MalYE3) for more information.
-            "A String",
-          ],
-          "vibrateTimings": [ # Set the vibration pattern to use. Pass in an array of
-              # [protobuf.Duration](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#google.protobuf.Duration)
-              # to turn on or off the vibrator. The first value indicates the `Duration` to
-              # wait before turning the vibrator on. The next value indicates the
-              # `Duration` to keep the vibrator on. Subsequent values alternate between
-              # `Duration` to turn the vibrator off and to turn the vibrator on.
-              # If `vibrate_timings` is set and `default_vibrate_timings` is set to `true`,
-              # the default value is used instead of the user-specified `vibrate_timings`.
-            "A String",
-          ],
-          "notificationPriority": "A String", # Set the relative priority for this notification. Priority is an indication
-              # of how much of the user's attention should be consumed by this
-              # notification. Low-priority notifications may be hidden from the user in
-              # certain situations, while the user might be interrupted for a
-              # higher-priority notification. The effect of setting the same priorities may
-              # differ slightly on different platforms. Note this priority differs from
-              # `AndroidMessagePriority`. This priority is processed by the client after
-              # the message has been delivered, whereas
-              # [AndroidMessagePriority](https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages#androidmessagepriority)
-              # is an FCM concept that controls when the message is delivered.
+          &quot;color&quot;: &quot;A String&quot;, # The notification&#x27;s icon color, expressed in #rrggbb format.
         },
-        "priority": "A String", # Message priority. Can take "normal" and "high" values.
-            # For more information, see [Setting the priority of a
-            # message](https://goo.gl/GjONJv).
-        "collapseKey": "A String", # An identifier of a group of messages that can be collapsed, so that only
-            # the last message gets sent when delivery can be resumed. A maximum of 4
-            # different collapse keys is allowed at any given time.
-        "directBootOk": True or False, # If set to true, messages will be allowed to be delivered to the app while
-            # the device is in direct boot mode. See [Support Direct Boot
-            # mode](https://developer.android.com/training/articles/direct-boot).
-        "ttl": "A String", # How long (in seconds) the message should be kept in FCM storage if the
+        &quot;restrictedPackageName&quot;: &quot;A String&quot;, # Package name of the application where the registration token must match in
+            # order to receive the message.
+        &quot;ttl&quot;: &quot;A String&quot;, # How long (in seconds) the message should be kept in FCM storage if the
             # device is offline. The maximum time to live supported is 4 weeks, and the
             # default value is 4 weeks if not set. Set it to 0 if want to send the
             # message immediately.
             # In JSON format, the Duration type is encoded as a string rather than an
-            # object, where the string ends in the suffix "s" (indicating seconds) and
+            # object, where the string ends in the suffix &quot;s&quot; (indicating seconds) and
             # is preceded by the number of seconds, with nanoseconds expressed as
             # fractional seconds. For example, 3 seconds with 0 nanoseconds should be
-            # encoded in JSON format as "3s", while 3 seconds and 1 nanosecond should
-            # be expressed in JSON format as "3.000000001s". The ttl will be rounded down
+            # encoded in JSON format as &quot;3s&quot;, while 3 seconds and 1 nanosecond should
+            # be expressed in JSON format as &quot;3.000000001s&quot;. The ttl will be rounded down
             # to the nearest second.
-        "restrictedPackageName": "A String", # Package name of the application where the registration token must match in
-            # order to receive the message.
-        "data": { # Arbitrary key/value payload. If present, it will override
-            # google.firebase.fcm.v1.Message.data.
-          "a_key": "A String",
+      },
+      &quot;condition&quot;: &quot;A String&quot;, # Condition to send a message to,
+          # e.g. &quot;&#x27;foo&#x27; in topics &amp;&amp; &#x27;bar&#x27; in topics&quot;.
+      &quot;apns&quot;: { # [Apple Push Notification Service](https://goo.gl/MXRTPa) specific options. # Input only. [Apple Push Notification Service](https://goo.gl/MXRTPa)
+          # specific options.
+        &quot;payload&quot;: { # APNs payload as a JSON object, including both `aps` dictionary and custom
+            # payload. See [Payload Key
+            # Reference](https://developer.apple.com/documentation/usernotifications/setting_up_a_remote_notification_server/generating_a_remote_notification).
+            # If present, it overrides google.firebase.fcm.v1.Notification.title
+            # and google.firebase.fcm.v1.Notification.body.
+          &quot;a_key&quot;: &quot;&quot;, # Properties of the object.
+        },
+        &quot;fcmOptions&quot;: { # Options for features provided by the FCM SDK for iOS. # Options for features provided by the FCM SDK for iOS.
+          &quot;image&quot;: &quot;A String&quot;, # Contains the URL of an image that is going to be displayed in a
+              # notification. If present, it will override
+              # google.firebase.fcm.v1.Notification.image.
+          &quot;analyticsLabel&quot;: &quot;A String&quot;, # Label associated with the message&#x27;s analytics data.
+        },
+        &quot;headers&quot;: { # HTTP request headers defined in Apple Push Notification Service. Refer to
+            # [APNs request
+            # headers](https://developer.apple.com/documentation/usernotifications/setting_up_a_remote_notification_server/sending_notification_requests_to_apns)
+            # for supported headers, e.g. &quot;apns-priority&quot;: &quot;10&quot;.
+          &quot;a_key&quot;: &quot;A String&quot;,
         },
       },
-      "data": { # Input only. Arbitrary key/value payload. The key should not be a reserved
-          # word ("from", "message_type", or any word starting with "google" or "gcm").
-        "a_key": "A String",
+      &quot;webpush&quot;: { # [Webpush protocol](https://tools.ietf.org/html/rfc8030) options. # Input only. [Webpush protocol](https://tools.ietf.org/html/rfc8030)
+          # options.
+        &quot;notification&quot;: { # Web Notification options as a JSON object. Supports Notification instance
+            # properties as defined in [Web Notification
+            # API](https://developer.mozilla.org/en-US/docs/Web/API/Notification). If
+            # present, &quot;title&quot; and &quot;body&quot; fields override
+            # [google.firebase.fcm.v1.Notification.title] and
+            # [google.firebase.fcm.v1.Notification.body].
+          &quot;a_key&quot;: &quot;&quot;, # Properties of the object.
+        },
+        &quot;fcmOptions&quot;: { # Options for features provided by the FCM SDK for Web. # Options for features provided by the FCM SDK for Web.
+          &quot;analyticsLabel&quot;: &quot;A String&quot;, # Label associated with the message&#x27;s analytics data.
+          &quot;link&quot;: &quot;A String&quot;, # The link to open when the user clicks on the notification.
+              # For all URL values, HTTPS is required.
+        },
+        &quot;headers&quot;: { # HTTP headers defined in webpush protocol. Refer to
+            # [Webpush protocol](https://tools.ietf.org/html/rfc8030#section-5) for
+            # supported headers, e.g. &quot;TTL&quot;: &quot;15&quot;.
+          &quot;a_key&quot;: &quot;A String&quot;,
+        },
+        &quot;data&quot;: { # Arbitrary key/value payload. If present, it will override
+            # google.firebase.fcm.v1.Message.data.
+          &quot;a_key&quot;: &quot;A String&quot;,
+        },
       },
-      "condition": "A String", # Condition to send a message to,
-          # e.g. "'foo' in topics &amp;&amp; 'bar' in topics".
+      &quot;name&quot;: &quot;A String&quot;, # Output Only. The identifier of the message sent, in the format of
+          # `projects/*/messages/{message_id}`.
     },
-    "validateOnly": True or False, # Flag for testing the request without actually delivering the message.
+    &quot;validateOnly&quot;: True or False, # Flag for testing the request without actually delivering the message.
   }
 
   x__xgafv: string, V1 error format.
@@ -469,15 +469,12 @@
   An object of the form:
 
     { # Message to send by Firebase Cloud Messaging Service.
-    "name": "A String", # Output Only. The identifier of the message sent, in the format of
-        # `projects/*/messages/{message_id}`.
-    "fcmOptions": { # Platform independent options for features provided by the FCM SDKs. # Input only. Template for FCM SDK feature options to use across all
-        # platforms.
-      "analyticsLabel": "A String", # Label associated with the message's analytics data.
-    },
-    "notification": { # Basic notification template to use across all platforms. # Input only. Basic notification template to use across all platforms.
-      "body": "A String", # The notification's body text.
-      "image": "A String", # Contains the URL of an image that is going to be downloaded on the device
+    &quot;topic&quot;: &quot;A String&quot;, # Topic name to send a message to, e.g. &quot;weather&quot;.
+        # Note: &quot;/topics/&quot; prefix should not be provided.
+    &quot;notification&quot;: { # Basic notification template to use across all platforms. # Input only. Basic notification template to use across all platforms.
+      &quot;body&quot;: &quot;A String&quot;, # The notification&#x27;s body text.
+      &quot;title&quot;: &quot;A String&quot;, # The notification&#x27;s title.
+      &quot;image&quot;: &quot;A String&quot;, # Contains the URL of an image that is going to be downloaded on the device
           # and displayed in a notification.
           # JPEG, PNG, BMP have full support across platforms. Animated GIF and video
           # only work on iOS. WebP and HEIF have varying levels of support across
@@ -485,119 +482,154 @@
           # Android has 1MB image size limit.
           # Quota usage and implications/costs for hosting image on Firebase Storage:
           # https://firebase.google.com/pricing
-      "title": "A String", # The notification's title.
     },
-    "token": "A String", # Registration token to send a message to.
-    "webpush": { # [Webpush protocol](https://tools.ietf.org/html/rfc8030) options. # Input only. [Webpush protocol](https://tools.ietf.org/html/rfc8030)
-        # options.
-      "notification": { # Web Notification options as a JSON object. Supports Notification instance
-          # properties as defined in [Web Notification
-          # API](https://developer.mozilla.org/en-US/docs/Web/API/Notification). If
-          # present, "title" and "body" fields override
-          # [google.firebase.fcm.v1.Notification.title] and
-          # [google.firebase.fcm.v1.Notification.body].
-        "a_key": "", # Properties of the object.
-      },
-      "data": { # Arbitrary key/value payload. If present, it will override
+    &quot;fcmOptions&quot;: { # Platform independent options for features provided by the FCM SDKs. # Input only. Template for FCM SDK feature options to use across all
+        # platforms.
+      &quot;analyticsLabel&quot;: &quot;A String&quot;, # Label associated with the message&#x27;s analytics data.
+    },
+    &quot;data&quot;: { # Input only. Arbitrary key/value payload. The key should not be a reserved
+        # word (&quot;from&quot;, &quot;message_type&quot;, or any word starting with &quot;google&quot; or &quot;gcm&quot;).
+      &quot;a_key&quot;: &quot;A String&quot;,
+    },
+    &quot;token&quot;: &quot;A String&quot;, # Registration token to send a message to.
+    &quot;android&quot;: { # Android specific options for messages sent through # Input only. Android specific options for messages sent through
+        # [FCM connection server](https://goo.gl/4GLdUl).
+        # [FCM connection server](https://goo.gl/4GLdUl).
+      &quot;data&quot;: { # Arbitrary key/value payload. If present, it will override
           # google.firebase.fcm.v1.Message.data.
-        "a_key": "A String",
+        &quot;a_key&quot;: &quot;A String&quot;,
       },
-      "fcmOptions": { # Options for features provided by the FCM SDK for Web. # Options for features provided by the FCM SDK for Web.
-        "analyticsLabel": "A String", # Label associated with the message's analytics data.
-        "link": "A String", # The link to open when the user clicks on the notification.
-            # For all URL values, HTTPS is required.
+      &quot;priority&quot;: &quot;A String&quot;, # Message priority. Can take &quot;normal&quot; and &quot;high&quot; values.
+          # For more information, see [Setting the priority of a
+          # message](https://goo.gl/GjONJv).
+      &quot;collapseKey&quot;: &quot;A String&quot;, # An identifier of a group of messages that can be collapsed, so that only
+          # the last message gets sent when delivery can be resumed. A maximum of 4
+          # different collapse keys is allowed at any given time.
+      &quot;directBootOk&quot;: True or False, # If set to true, messages will be allowed to be delivered to the app while
+          # the device is in direct boot mode. See [Support Direct Boot
+          # mode](https://developer.android.com/training/articles/direct-boot).
+      &quot;fcmOptions&quot;: { # Options for features provided by the FCM SDK for Android. # Options for features provided by the FCM SDK for Android.
+        &quot;analyticsLabel&quot;: &quot;A String&quot;, # Label associated with the message&#x27;s analytics data.
       },
-      "headers": { # HTTP headers defined in webpush protocol. Refer to
-          # [Webpush protocol](https://tools.ietf.org/html/rfc8030#section-5) for
-          # supported headers, e.g. "TTL": "15".
-        "a_key": "A String",
-      },
-    },
-    "topic": "A String", # Topic name to send a message to, e.g. "weather".
-        # Note: "/topics/" prefix should not be provided.
-    "apns": { # [Apple Push Notification Service](https://goo.gl/MXRTPa) specific options. # Input only. [Apple Push Notification Service](https://goo.gl/MXRTPa)
-        # specific options.
-      "headers": { # HTTP request headers defined in Apple Push Notification Service. Refer to
-          # [APNs request
-          # headers](https://developer.apple.com/documentation/usernotifications/setting_up_a_remote_notification_server/sending_notification_requests_to_apns)
-          # for supported headers, e.g. "apns-priority": "10".
-        "a_key": "A String",
-      },
-      "payload": { # APNs payload as a JSON object, including both `aps` dictionary and custom
-          # payload. See [Payload Key
-          # Reference](https://developer.apple.com/documentation/usernotifications/setting_up_a_remote_notification_server/generating_a_remote_notification).
-          # If present, it overrides google.firebase.fcm.v1.Notification.title
-          # and google.firebase.fcm.v1.Notification.body.
-        "a_key": "", # Properties of the object.
-      },
-      "fcmOptions": { # Options for features provided by the FCM SDK for iOS. # Options for features provided by the FCM SDK for iOS.
-        "image": "A String", # Contains the URL of an image that is going to be displayed in a
+      &quot;notification&quot;: { # Notification to send to android devices. # Notification to send to android devices.
+        &quot;tag&quot;: &quot;A String&quot;, # Identifier used to replace existing notifications in the notification
+            # drawer.
+            # If not specified, each request creates a new notification.
+            # If specified and a notification with the same tag is already being shown,
+            # the new notification replaces the existing one in the notification drawer.
+        &quot;titleLocKey&quot;: &quot;A String&quot;, # The key to the title string in the app&#x27;s string resources to use to
+            # localize the title text to the user&#x27;s current localization.
+            # See [String Resources](https://goo.gl/NdFZGI) for more information.
+        &quot;image&quot;: &quot;A String&quot;, # Contains the URL of an image that is going to be displayed in a
             # notification. If present, it will override
             # google.firebase.fcm.v1.Notification.image.
-        "analyticsLabel": "A String", # Label associated with the message's analytics data.
-      },
-    },
-    "android": { # Android specific options for messages sent through # Input only. Android specific options for messages sent through
-        # [FCM connection server](https://goo.gl/4GLdUl).
-        # [FCM connection server](https://goo.gl/4GLdUl).
-      "fcmOptions": { # Options for features provided by the FCM SDK for Android. # Options for features provided by the FCM SDK for Android.
-        "analyticsLabel": "A String", # Label associated with the message's analytics data.
-      },
-      "notification": { # Notification to send to android devices. # Notification to send to android devices.
-        "defaultVibrateTimings": True or False, # If set to true, use the Android framework's default vibrate pattern for the
+        &quot;visibility&quot;: &quot;A String&quot;, # Set the
+            # [Notification.visibility](https://developer.android.com/reference/android/app/Notification.html#visibility)
+            # of the notification.
+        &quot;ticker&quot;: &quot;A String&quot;, # Sets the &quot;ticker&quot; text, which is sent to accessibility services.
+            # Prior to API level 21 (`Lollipop`), sets the text that is displayed in the
+            # status bar when the notification first arrives.
+        &quot;title&quot;: &quot;A String&quot;, # The notification&#x27;s title. If present, it will override
+            # google.firebase.fcm.v1.Notification.title.
+        &quot;defaultSound&quot;: True or False, # If set to true, use the Android framework&#x27;s default sound for the
+            # notification. Default values are specified in
+            # [config.xml](https://android.googlesource.com/platform/frameworks/base/+/master/core/res/res/values/config.xml).
+        &quot;sticky&quot;: True or False, # When set to false or unset, the notification is automatically
+            # dismissed when the user clicks it in the panel. When set to true, the
+            # notification persists even when the user clicks it.
+        &quot;titleLocArgs&quot;: [ # Variable string values to be used in place of the format specifiers in
+            # title_loc_key to use to localize the title text to the user&#x27;s current
+            # localization.
+            # See [Formatting and Styling](https://goo.gl/MalYE3) for more information.
+          &quot;A String&quot;,
+        ],
+        &quot;channelId&quot;: &quot;A String&quot;, # The [notification&#x27;s channel
+            # id](https://developer.android.com/guide/topics/ui/notifiers/notifications#ManageChannels)
+            # (new in Android O). The app must create a channel with this channel ID
+            # before any notification with this channel ID is received. If you don&#x27;t send
+            # this channel ID in the request, or if the channel ID provided has not yet
+            # been created by the app, FCM uses the channel ID specified in the app
+            # manifest.
+        &quot;defaultVibrateTimings&quot;: True or False, # If set to true, use the Android framework&#x27;s default vibrate pattern for the
             # notification. Default values are specified in
             # [config.xml](https://android.googlesource.com/platform/frameworks/base/+/master/core/res/res/values/config.xml).
             # If `default_vibrate_timings` is set to true and `vibrate_timings` is also
             # set, the default value is used instead of the user-specified
             # `vibrate_timings`.
-        "bodyLocKey": "A String", # The key to the body string in the app's string resources to use to localize
-            # the body text to the user's current localization.
-            # See [String Resources](https://goo.gl/NdFZGI) for more information.
-        "color": "A String", # The notification's icon color, expressed in #rrggbb format.
-        "image": "A String", # Contains the URL of an image that is going to be displayed in a
-            # notification. If present, it will override
-            # google.firebase.fcm.v1.Notification.image.
-        "channelId": "A String", # The [notification's channel
-            # id](https://developer.android.com/guide/topics/ui/notifiers/notifications#ManageChannels)
-            # (new in Android O). The app must create a channel with this channel ID
-            # before any notification with this channel ID is received. If you don't send
-            # this channel ID in the request, or if the channel ID provided has not yet
-            # been created by the app, FCM uses the channel ID specified in the app
-            # manifest.
-        "titleLocKey": "A String", # The key to the title string in the app's string resources to use to
-            # localize the title text to the user's current localization.
-            # See [String Resources](https://goo.gl/NdFZGI) for more information.
-        "sticky": True or False, # When set to false or unset, the notification is automatically
-            # dismissed when the user clicks it in the panel. When set to true, the
-            # notification persists even when the user clicks it.
-        "tag": "A String", # Identifier used to replace existing notifications in the notification
-            # drawer.
-            # If not specified, each request creates a new notification.
-            # If specified and a notification with the same tag is already being shown,
-            # the new notification replaces the existing one in the notification drawer.
-        "defaultSound": True or False, # If set to true, use the Android framework's default sound for the
-            # notification. Default values are specified in
-            # [config.xml](https://android.googlesource.com/platform/frameworks/base/+/master/core/res/res/values/config.xml).
-        "defaultLightSettings": True or False, # If set to true, use the Android framework's default LED light settings for
+        &quot;clickAction&quot;: &quot;A String&quot;, # The action associated with a user click on the notification.
+            # If specified, an activity with a matching intent filter is launched when
+            # a user clicks on the notification.
+        &quot;eventTime&quot;: &quot;A String&quot;, # Set the time that the event in the notification occurred. Notifications in
+            # the panel are sorted by this time. A point in time is represented using
+            # [protobuf.Timestamp](https://developers.google.com/protocol-buffers/docs/reference/java/com/google/protobuf/Timestamp).
+        &quot;defaultLightSettings&quot;: True or False, # If set to true, use the Android framework&#x27;s default LED light settings for
             # the notification. Default values are specified in
             # [config.xml](https://android.googlesource.com/platform/frameworks/base/+/master/core/res/res/values/config.xml).
             # If `default_light_settings` is set to true and `light_settings` is also
             # set, the user-specified `light_settings` is used instead of the
             # default value.
-        "eventTime": "A String", # Set the time that the event in the notification occurred. Notifications in
-            # the panel are sorted by this time. A point in time is represented using
-            # [protobuf.Timestamp](https://developers.google.com/protocol-buffers/docs/reference/java/com/google/protobuf/Timestamp).
-        "lightSettings": { # Settings to control notification LED. # Settings to control the notification's LED blinking rate and color if LED
+        &quot;localOnly&quot;: True or False, # Set whether or not this notification is relevant only to the current
+            # device. Some notifications can be bridged to other devices for remote
+            # display, such as a Wear OS watch. This hint can be set to recommend this
+            # notification not be bridged. See [Wear OS
+            # guides](https://developer.android.com/training/wearables/notifications/bridger#existing-method-of-preventing-bridging)
+        &quot;notificationPriority&quot;: &quot;A String&quot;, # Set the relative priority for this notification. Priority is an indication
+            # of how much of the user&#x27;s attention should be consumed by this
+            # notification. Low-priority notifications may be hidden from the user in
+            # certain situations, while the user might be interrupted for a
+            # higher-priority notification. The effect of setting the same priorities may
+            # differ slightly on different platforms. Note this priority differs from
+            # `AndroidMessagePriority`. This priority is processed by the client after
+            # the message has been delivered, whereas
+            # [AndroidMessagePriority](https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages#androidmessagepriority)
+            # is an FCM concept that controls when the message is delivered.
+        &quot;vibrateTimings&quot;: [ # Set the vibration pattern to use. Pass in an array of
+            # [protobuf.Duration](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#google.protobuf.Duration)
+            # to turn on or off the vibrator. The first value indicates the `Duration` to
+            # wait before turning the vibrator on. The next value indicates the
+            # `Duration` to keep the vibrator on. Subsequent values alternate between
+            # `Duration` to turn the vibrator off and to turn the vibrator on.
+            # If `vibrate_timings` is set and `default_vibrate_timings` is set to `true`,
+            # the default value is used instead of the user-specified `vibrate_timings`.
+          &quot;A String&quot;,
+        ],
+        &quot;sound&quot;: &quot;A String&quot;, # The sound to play when the device receives the notification.
+            # Supports &quot;default&quot; or the filename of a sound resource bundled in the app.
+            # Sound files must reside in /res/raw/.
+        &quot;bodyLocKey&quot;: &quot;A String&quot;, # The key to the body string in the app&#x27;s string resources to use to localize
+            # the body text to the user&#x27;s current localization.
+            # See [String Resources](https://goo.gl/NdFZGI) for more information.
+        &quot;notificationCount&quot;: 42, # Sets the number of items this notification represents. May be displayed as
+            # a badge count for launchers that support badging.See [Notification
+            # Badge](https://developer.android.com/training/notify-user/badges).
+            # For example, this might be useful if you&#x27;re using just one notification to
+            # represent multiple new messages but you want the count here to represent
+            # the number of total new messages.
+            # If zero or unspecified, systems that support badging use the default, which
+            # is to increment a number displayed on the long-press menu each time a new
+            # notification arrives.
+        &quot;bodyLocArgs&quot;: [ # Variable string values to be used in place of the format specifiers in
+            # body_loc_key to use to localize the body text to the user&#x27;s current
+            # localization.
+            # See [Formatting and Styling](https://goo.gl/MalYE3) for more information.
+          &quot;A String&quot;,
+        ],
+        &quot;body&quot;: &quot;A String&quot;, # The notification&#x27;s body text. If present, it will override
+            # google.firebase.fcm.v1.Notification.body.
+        &quot;lightSettings&quot;: { # Settings to control notification LED. # Settings to control the notification&#x27;s LED blinking rate and color if LED
             # is available on the device. The total blinking time is controlled by the
             # OS.
-          "color": { # Represents a color in the RGBA color space. This representation is designed # Required. Set `color` of the LED with
+          &quot;lightOffDuration&quot;: &quot;A String&quot;, # Required. Along with `light_on_duration `, define the blink rate of LED
+              # flashes. Resolution defined by
+              # [proto.Duration](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#google.protobuf.Duration)
+          &quot;color&quot;: { # Represents a color in the RGBA color space. This representation is designed # Required. Set `color` of the LED with
               # [google.type.Color](https://github.com/googleapis/googleapis/blob/master/google/type/color.proto).
               # for simplicity of conversion to/from color representations in various
               # languages over compactness; for example, the fields of this representation
-              # can be trivially provided to the constructor of "java.awt.Color" in Java; it
-              # can also be trivially provided to UIColor's "+colorWithRed:green:blue:alpha"
+              # can be trivially provided to the constructor of &quot;java.awt.Color&quot; in Java; it
+              # can also be trivially provided to UIColor&#x27;s &quot;+colorWithRed:green:blue:alpha&quot;
               # method in iOS; and, with just a little work, it can be easily formatted into
-              # a CSS "rgba()" string in JavaScript, as well.
+              # a CSS &quot;rgba()&quot; string in JavaScript, as well.
               #
               # Note: this proto does not carry information about the absolute color space
               # that should be used to interpret the RGB value (e.g. sRGB, Adobe RGB,
@@ -688,30 +720,32 @@
               #        var green = Math.floor(greenFrac * 255);
               #        var blue = Math.floor(blueFrac * 255);
               #
-              #        if (!('alpha' in rgb_color)) {
+              #        if (!(&#x27;alpha&#x27; in rgb_color)) {
               #           return rgbToCssColor_(red, green, blue);
               #        }
               #
               #        var alphaFrac = rgb_color.alpha.value || 0.0;
-              #        var rgbParams = [red, green, blue].join(',');
-              #        return ['rgba(', rgbParams, ',', alphaFrac, ')'].join('');
+              #        var rgbParams = [red, green, blue].join(&#x27;,&#x27;);
+              #        return [&#x27;rgba(&#x27;, rgbParams, &#x27;,&#x27;, alphaFrac, &#x27;)&#x27;].join(&#x27;&#x27;);
               #     };
               #
               #     var rgbToCssColor_ = function(red, green, blue) {
               #       var rgbNumber = new Number((red &lt;&lt; 16) | (green &lt;&lt; 8) | blue);
               #       var hexString = rgbNumber.toString(16);
               #       var missingZeros = 6 - hexString.length;
-              #       var resultBuilder = ['#'];
+              #       var resultBuilder = [&#x27;#&#x27;];
               #       for (var i = 0; i &lt; missingZeros; i++) {
-              #          resultBuilder.push('0');
+              #          resultBuilder.push(&#x27;0&#x27;);
               #       }
               #       resultBuilder.push(hexString);
-              #       return resultBuilder.join('');
+              #       return resultBuilder.join(&#x27;&#x27;);
               #     };
               #
               #     // ...
-            "blue": 3.14, # The amount of blue in the color as a value in the interval [0, 1].
-            "alpha": 3.14, # The fraction of this color that should be applied to the pixel. That is,
+            &quot;red&quot;: 3.14, # The amount of red in the color as a value in the interval [0, 1].
+            &quot;green&quot;: 3.14, # The amount of green in the color as a value in the interval [0, 1].
+            &quot;blue&quot;: 3.14, # The amount of blue in the color as a value in the interval [0, 1].
+            &quot;alpha&quot;: 3.14, # The fraction of this color that should be applied to the pixel. That is,
                 # the final pixel color is defined by the equation:
                 #
                 #   pixel color = alpha * (this color) + (1.0 - alpha) * (background color)
@@ -722,116 +756,82 @@
                 # possible to distinguish between a default value and the value being unset.
                 # If omitted, this color object is to be rendered as a solid color
                 # (as if the alpha value had been explicitly given with a value of 1.0).
-            "green": 3.14, # The amount of green in the color as a value in the interval [0, 1].
-            "red": 3.14, # The amount of red in the color as a value in the interval [0, 1].
           },
-          "lightOnDuration": "A String", # Required. Along with `light_off_duration`, define the blink rate of LED
-              # flashes. Resolution defined by
-              # [proto.Duration](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#google.protobuf.Duration)
-          "lightOffDuration": "A String", # Required. Along with `light_on_duration `, define the blink rate of LED
+          &quot;lightOnDuration&quot;: &quot;A String&quot;, # Required. Along with `light_off_duration`, define the blink rate of LED
               # flashes. Resolution defined by
               # [proto.Duration](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#google.protobuf.Duration)
         },
-        "title": "A String", # The notification's title. If present, it will override
-            # google.firebase.fcm.v1.Notification.title.
-        "notificationCount": 42, # Sets the number of items this notification represents. May be displayed as
-            # a badge count for launchers that support badging.See [Notification
-            # Badge](https://developer.android.com/training/notify-user/badges).
-            # For example, this might be useful if you're using just one notification to
-            # represent multiple new messages but you want the count here to represent
-            # the number of total new messages.
-            # If zero or unspecified, systems that support badging use the default, which
-            # is to increment a number displayed on the long-press menu each time a new
-            # notification arrives.
-        "body": "A String", # The notification's body text. If present, it will override
-            # google.firebase.fcm.v1.Notification.body.
-        "bodyLocArgs": [ # Variable string values to be used in place of the format specifiers in
-            # body_loc_key to use to localize the body text to the user's current
-            # localization.
-            # See [Formatting and Styling](https://goo.gl/MalYE3) for more information.
-          "A String",
-        ],
-        "localOnly": True or False, # Set whether or not this notification is relevant only to the current
-            # device. Some notifications can be bridged to other devices for remote
-            # display, such as a Wear OS watch. This hint can be set to recommend this
-            # notification not be bridged. See [Wear OS
-            # guides](https://developer.android.com/training/wearables/notifications/bridger#existing-method-of-preventing-bridging)
-        "visibility": "A String", # Set the
-            # [Notification.visibility](https://developer.android.com/reference/android/app/Notification.html#visibility)
-            # of the notification.
-        "ticker": "A String", # Sets the "ticker" text, which is sent to accessibility services.
-            # Prior to API level 21 (`Lollipop`), sets the text that is displayed in the
-            # status bar when the notification first arrives.
-        "icon": "A String", # The notification's icon.
+        &quot;icon&quot;: &quot;A String&quot;, # The notification&#x27;s icon.
             # Sets the notification icon to myicon for drawable resource myicon.
-            # If you don't send this key in the request, FCM displays the launcher icon
+            # If you don&#x27;t send this key in the request, FCM displays the launcher icon
             # specified in your app manifest.
-        "sound": "A String", # The sound to play when the device receives the notification.
-            # Supports "default" or the filename of a sound resource bundled in the app.
-            # Sound files must reside in /res/raw/.
-        "clickAction": "A String", # The action associated with a user click on the notification.
-            # If specified, an activity with a matching intent filter is launched when
-            # a user clicks on the notification.
-        "titleLocArgs": [ # Variable string values to be used in place of the format specifiers in
-            # title_loc_key to use to localize the title text to the user's current
-            # localization.
-            # See [Formatting and Styling](https://goo.gl/MalYE3) for more information.
-          "A String",
-        ],
-        "vibrateTimings": [ # Set the vibration pattern to use. Pass in an array of
-            # [protobuf.Duration](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#google.protobuf.Duration)
-            # to turn on or off the vibrator. The first value indicates the `Duration` to
-            # wait before turning the vibrator on. The next value indicates the
-            # `Duration` to keep the vibrator on. Subsequent values alternate between
-            # `Duration` to turn the vibrator off and to turn the vibrator on.
-            # If `vibrate_timings` is set and `default_vibrate_timings` is set to `true`,
-            # the default value is used instead of the user-specified `vibrate_timings`.
-          "A String",
-        ],
-        "notificationPriority": "A String", # Set the relative priority for this notification. Priority is an indication
-            # of how much of the user's attention should be consumed by this
-            # notification. Low-priority notifications may be hidden from the user in
-            # certain situations, while the user might be interrupted for a
-            # higher-priority notification. The effect of setting the same priorities may
-            # differ slightly on different platforms. Note this priority differs from
-            # `AndroidMessagePriority`. This priority is processed by the client after
-            # the message has been delivered, whereas
-            # [AndroidMessagePriority](https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages#androidmessagepriority)
-            # is an FCM concept that controls when the message is delivered.
+        &quot;color&quot;: &quot;A String&quot;, # The notification&#x27;s icon color, expressed in #rrggbb format.
       },
-      "priority": "A String", # Message priority. Can take "normal" and "high" values.
-          # For more information, see [Setting the priority of a
-          # message](https://goo.gl/GjONJv).
-      "collapseKey": "A String", # An identifier of a group of messages that can be collapsed, so that only
-          # the last message gets sent when delivery can be resumed. A maximum of 4
-          # different collapse keys is allowed at any given time.
-      "directBootOk": True or False, # If set to true, messages will be allowed to be delivered to the app while
-          # the device is in direct boot mode. See [Support Direct Boot
-          # mode](https://developer.android.com/training/articles/direct-boot).
-      "ttl": "A String", # How long (in seconds) the message should be kept in FCM storage if the
+      &quot;restrictedPackageName&quot;: &quot;A String&quot;, # Package name of the application where the registration token must match in
+          # order to receive the message.
+      &quot;ttl&quot;: &quot;A String&quot;, # How long (in seconds) the message should be kept in FCM storage if the
           # device is offline. The maximum time to live supported is 4 weeks, and the
           # default value is 4 weeks if not set. Set it to 0 if want to send the
           # message immediately.
           # In JSON format, the Duration type is encoded as a string rather than an
-          # object, where the string ends in the suffix "s" (indicating seconds) and
+          # object, where the string ends in the suffix &quot;s&quot; (indicating seconds) and
           # is preceded by the number of seconds, with nanoseconds expressed as
           # fractional seconds. For example, 3 seconds with 0 nanoseconds should be
-          # encoded in JSON format as "3s", while 3 seconds and 1 nanosecond should
-          # be expressed in JSON format as "3.000000001s". The ttl will be rounded down
+          # encoded in JSON format as &quot;3s&quot;, while 3 seconds and 1 nanosecond should
+          # be expressed in JSON format as &quot;3.000000001s&quot;. The ttl will be rounded down
           # to the nearest second.
-      "restrictedPackageName": "A String", # Package name of the application where the registration token must match in
-          # order to receive the message.
-      "data": { # Arbitrary key/value payload. If present, it will override
-          # google.firebase.fcm.v1.Message.data.
-        "a_key": "A String",
+    },
+    &quot;condition&quot;: &quot;A String&quot;, # Condition to send a message to,
+        # e.g. &quot;&#x27;foo&#x27; in topics &amp;&amp; &#x27;bar&#x27; in topics&quot;.
+    &quot;apns&quot;: { # [Apple Push Notification Service](https://goo.gl/MXRTPa) specific options. # Input only. [Apple Push Notification Service](https://goo.gl/MXRTPa)
+        # specific options.
+      &quot;payload&quot;: { # APNs payload as a JSON object, including both `aps` dictionary and custom
+          # payload. See [Payload Key
+          # Reference](https://developer.apple.com/documentation/usernotifications/setting_up_a_remote_notification_server/generating_a_remote_notification).
+          # If present, it overrides google.firebase.fcm.v1.Notification.title
+          # and google.firebase.fcm.v1.Notification.body.
+        &quot;a_key&quot;: &quot;&quot;, # Properties of the object.
+      },
+      &quot;fcmOptions&quot;: { # Options for features provided by the FCM SDK for iOS. # Options for features provided by the FCM SDK for iOS.
+        &quot;image&quot;: &quot;A String&quot;, # Contains the URL of an image that is going to be displayed in a
+            # notification. If present, it will override
+            # google.firebase.fcm.v1.Notification.image.
+        &quot;analyticsLabel&quot;: &quot;A String&quot;, # Label associated with the message&#x27;s analytics data.
+      },
+      &quot;headers&quot;: { # HTTP request headers defined in Apple Push Notification Service. Refer to
+          # [APNs request
+          # headers](https://developer.apple.com/documentation/usernotifications/setting_up_a_remote_notification_server/sending_notification_requests_to_apns)
+          # for supported headers, e.g. &quot;apns-priority&quot;: &quot;10&quot;.
+        &quot;a_key&quot;: &quot;A String&quot;,
       },
     },
-    "data": { # Input only. Arbitrary key/value payload. The key should not be a reserved
-        # word ("from", "message_type", or any word starting with "google" or "gcm").
-      "a_key": "A String",
+    &quot;webpush&quot;: { # [Webpush protocol](https://tools.ietf.org/html/rfc8030) options. # Input only. [Webpush protocol](https://tools.ietf.org/html/rfc8030)
+        # options.
+      &quot;notification&quot;: { # Web Notification options as a JSON object. Supports Notification instance
+          # properties as defined in [Web Notification
+          # API](https://developer.mozilla.org/en-US/docs/Web/API/Notification). If
+          # present, &quot;title&quot; and &quot;body&quot; fields override
+          # [google.firebase.fcm.v1.Notification.title] and
+          # [google.firebase.fcm.v1.Notification.body].
+        &quot;a_key&quot;: &quot;&quot;, # Properties of the object.
+      },
+      &quot;fcmOptions&quot;: { # Options for features provided by the FCM SDK for Web. # Options for features provided by the FCM SDK for Web.
+        &quot;analyticsLabel&quot;: &quot;A String&quot;, # Label associated with the message&#x27;s analytics data.
+        &quot;link&quot;: &quot;A String&quot;, # The link to open when the user clicks on the notification.
+            # For all URL values, HTTPS is required.
+      },
+      &quot;headers&quot;: { # HTTP headers defined in webpush protocol. Refer to
+          # [Webpush protocol](https://tools.ietf.org/html/rfc8030#section-5) for
+          # supported headers, e.g. &quot;TTL&quot;: &quot;15&quot;.
+        &quot;a_key&quot;: &quot;A String&quot;,
+      },
+      &quot;data&quot;: { # Arbitrary key/value payload. If present, it will override
+          # google.firebase.fcm.v1.Message.data.
+        &quot;a_key&quot;: &quot;A String&quot;,
+      },
     },
-    "condition": "A String", # Condition to send a message to,
-        # e.g. "'foo' in topics &amp;&amp; 'bar' in topics".
+    &quot;name&quot;: &quot;A String&quot;, # Output Only. The identifier of the message sent, in the format of
+        # `projects/*/messages/{message_id}`.
   }</pre>
 </div>