Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/youtube_v3.superChatEvents.html b/docs/dyn/youtube_v3.superChatEvents.html
index 2b10c1e..f75af2e 100644
--- a/docs/dyn/youtube_v3.superChatEvents.html
+++ b/docs/dyn/youtube_v3.superChatEvents.html
@@ -104,8 +104,15 @@
     "items": [ # A list of Super Chat purchases that match the request criteria.
       { # A superChatEvent resource represents a Super Chat purchase on a YouTube channel.
         "snippet": { # The snippet object contains basic details about the Super Chat event.
+          "isSuperStickerEvent": True or False, # True if this event is a Super Sticker event.
           "commentText": "A String", # The text contents of the comment left by the user.
+          "superStickerMetadata": { # If this event is a Super Sticker event, this field will contain metadata about the Super Sticker.
+            "altText": "A String", # Internationalized alt text that describes the sticker image and any animation associated with it.
+            "altTextLanguage": "A String", # Specifies the localization language in which the alt text is returned.
+            "stickerId": "A String", # Unique identifier of the Super Sticker. This is a shorter form of the alt_text that includes pack name and a recognizable characteristic of the sticker.
+          },
           "channelId": "A String", # Channel id where the event occurred.
+          "isSuperChatForGood": True or False, # True if this event is a Super Chat for Good purchase.
           "messageType": 42, # The tier for the paid message, which is based on the amount of money spent to purchase the message.
           "amountMicros": "A String", # The purchase amount, in micros of the purchase currency. e.g., 1 is represented as 1000000.
           "currency": "A String", # The currency in which the purchase was made. ISO 4217.
@@ -116,6 +123,12 @@
             "channelUrl": "A String", # The channel's URL.
           },
           "displayString": "A String", # A rendered string that displays the purchase amount and currency (e.g., "$1.00"). The string is rendered for the given language.
+          "nonprofit": { # Nonprofit information. # If this event is a Super Chat for Good purchase, this field will contain information about the charity the purchase is donated to.
+            "nonprofitLegalName": "A String", # Legal name of the nonprofit.
+            "nonprofitId": { # Id of the nonprofit.
+              "value": "A String",
+            },
+          },
           "createdAt": "A String", # The date and time when the event occurred. The value is specified in ISO 8601 (YYYY-MM-DDThh:mm:ss.sZ) format.
         },
         "kind": "youtube#superChatEvent", # Identifies what kind of resource this is. Value: the fixed string "youtube#superChatEvent".