Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/bigquerydatatransfer_v1.projects.transferConfigs.html b/docs/dyn/bigquerydatatransfer_v1.projects.transferConfigs.html
index affa4df..a535d94 100644
--- a/docs/dyn/bigquerydatatransfer_v1.projects.transferConfigs.html
+++ b/docs/dyn/bigquerydatatransfer_v1.projects.transferConfigs.html
@@ -72,7 +72,7 @@
 
 </style>
 
-<h1><a href="bigquerydatatransfer_v1.html">BigQuery Data Transfer Service API</a> . <a href="bigquerydatatransfer_v1.projects.html">projects</a> . <a href="bigquerydatatransfer_v1.projects.transferConfigs.html">transferConfigs</a></h1>
+<h1><a href="bigquerydatatransfer_v1.html">BigQuery Data Transfer API</a> . <a href="bigquerydatatransfer_v1.projects.html">projects</a> . <a href="bigquerydatatransfer_v1.projects.transferConfigs.html">transferConfigs</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="bigquerydatatransfer_v1.projects.transferConfigs.runs.html">runs()</a></code>
@@ -80,7 +80,7 @@
 <p class="firstline">Returns the runs Resource.</p>
 
 <p class="toc_element">
-  <code><a href="#create">create(parent, body, authorizationCode=None, x__xgafv=None)</a></code></p>
+  <code><a href="#create">create(parent, body, authorizationCode=None, versionInfo=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Creates a new data transfer configuration.</p>
 <p class="toc_element">
   <code><a href="#delete">delete(name, x__xgafv=None)</a></code></p>
@@ -95,18 +95,24 @@
   <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
 <p class="firstline">Retrieves the next page of results.</p>
 <p class="toc_element">
-  <code><a href="#patch">patch(name, body, authorizationCode=None, updateMask=None, x__xgafv=None)</a></code></p>
+  <code><a href="#patch">patch(name, body, authorizationCode=None, updateMask=None, versionInfo=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Updates a data transfer configuration.</p>
 <p class="toc_element">
   <code><a href="#scheduleRuns">scheduleRuns(parent, body, x__xgafv=None)</a></code></p>
-<p class="firstline">Creates transfer runs for a time range [range_start_time, range_end_time].</p>
+<p class="firstline">Creates transfer runs for a time range [start_time, end_time].</p>
+<p class="toc_element">
+  <code><a href="#startManualRuns">startManualRuns(parent, body, x__xgafv=None)</a></code></p>
+<p class="firstline">Start manual transfer runs to be executed now with schedule_time equal to</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="create">create(parent, body, authorizationCode=None, x__xgafv=None)</code>
+    <code class="details" id="create">create(parent, body, authorizationCode=None, versionInfo=None, x__xgafv=None)</code>
   <pre>Creates a new data transfer configuration.
 
 Args:
-  parent: string, The BigQuery project id where the transfer configuration should be created. (required)
+  parent: string, The BigQuery project id where the transfer configuration should be created.
+Must be in the format projects/{project_id}/locations/{location_id}
+If specified location and location of the destination bigquery dataset
+do not match - the request will fail. (required)
   body: object, The request body. (required)
     The object takes the form of:
 
@@ -116,42 +122,56 @@
     # When a new transfer configuration is created, the specified
     # `destination_dataset_id` is created when needed and shared with the
     # appropriate data source service account.
-  "status": "A String", # Status of the most recently updated transfer run.
-      # @OutputOnly
   "dataRefreshWindowDays": 42, # The number of days to look back to automatically refresh the data.
       # For example, if `data_refresh_window_days = 10`, then every day
       # BigQuery reingests data for [today-10, today-1], rather than ingesting data
       # for just [today-1].
       # Only valid if the data source supports the feature. Set the value to  0
       # to use the default value.
-  "updateTime": "A String", # Data transfer modification time. Ignored by server on input.
-      # @OutputOnly
+  "updateTime": "A String", # Output only. Data transfer modification time. Ignored by server on input.
   "destinationDatasetId": "A String", # The BigQuery target dataset id.
   "displayName": "A String", # User specified display name for the data transfer.
-  "name": "A String", # The resource name of the transfer run.
-      # Transfer run names have the form
-      # `projects/{project_id}/transferConfigs/{config_id}`.
-      # Where `config_id` is usually a uuid, even though it is not
-      # guaranteed or required. The name is ignored when creating a transfer run.
-  "schedule": "A String", # Data transfer schedule in GROC format.
+  "name": "A String", # The resource name of the transfer config.
+      # Transfer config names have the form of
+      # `projects/{project_id}/locations/{region}/transferConfigs/{config_id}`.
+      # The name is automatically generated based on the config_id specified in
+      # CreateTransferConfigRequest along with project_id and region. If config_id
+      # is not provided, usually a uuid, even though it is not guaranteed or
+      # required, will be generated for config_id.
+  "schedule": "A String", # Data transfer schedule.
       # If the data source does not support a custom schedule, this should be
       # empty. If it is empty, the default value for the data source will be
       # used.
       # The specified times are in UTC.
-      # Examples of valid GROC include:
+      # Examples of valid format:
       # `1st,3rd monday of month 15:30`,
       # `every wed,fri of jan,jun 13:15`, and
       # `first sunday of quarter 00:00`.
-  "userId": "A String", # GaiaID of the user on whose behalf transfer is done. Applicable only
-      # to data sources that do not support service accounts. When set to 0,
-      # the data source service account credentials are used.
-      # @OutputOnly
+      # See more explanation about the format here:
+      # https://cloud.google.com/appengine/docs/flexible/python/scheduling-jobs-with-cron-yaml#the_schedule_format
+      # NOTE: the granularity should be at least 8 hours, or less frequent.
+  "datasetRegion": "A String", # Output only. Region in which BigQuery dataset is located.
   "disabled": True or False, # Is this config disabled. When set to true, no runs are scheduled
       # for a given transfer.
+  "userId": "A String", # Deprecated. Unique ID of the user on whose behalf transfer is done.
+  "scheduleOptions": { # Options customizing the data transfer schedule. # Options customizing the data transfer schedule.
+    "disableAutoScheduling": True or False, # If true, automatic scheduling of data transfer runs for this configuration
+        # will be disabled. The runs can be started on ad-hoc basis using
+        # StartManualTransferRuns API. When automatic scheduling is disabled, the
+        # TransferConfig.schedule field will be ignored.
+    "endTime": "A String", # Defines time to stop scheduling transfer runs. A transfer run cannot be
+        # scheduled at or after the end time. The end time can be changed at any
+        # moment. The time when a data transfer can be trigerred manually is not
+        # limited by this option.
+    "startTime": "A String", # Specifies time to start scheduling transfer runs. The first run will be
+        # scheduled at or after the start time according to a recurrence pattern
+        # defined in the schedule string. The start time can be changed at any
+        # moment. The time when a data transfer can be trigerred manually is not
+        # limited by this option.
+  },
+  "state": "A String", # Output only. State of the most recently updated transfer run.
   "dataSourceId": "A String", # Data source id. Cannot be changed once data transfer is created.
-  "nextRunTime": "A String", # Next time when data transfer will run. Output only. Applicable
-      # only for batch data transfers.
-      # @OutputOnly
+  "nextRunTime": "A String", # Output only. Next time when data transfer will run.
   "params": { # Data transfer specific parameters.
     "a_key": "", # Properties of the object.
   },
@@ -173,6 +193,12 @@
   urn:ietf:wg:oauth:2.0:oob means that authorization code should be
   returned in the title bar of the browser, with the page text prompting
   the user to copy the code and paste it in the application.
+  versionInfo: string, Optional version info. If users want to find a very recent access token,
+that is, immediately after approving access, users have to set the
+version_info claim in the token request. To obtain the version_info, users
+must use the “none+gsession” response type. which be return a
+version_info back in the authorization response which be be put in a JWT
+claim in the token request.
   x__xgafv: string, V1 error format.
     Allowed values
       1 - v1 error format
@@ -187,42 +213,56 @@
       # When a new transfer configuration is created, the specified
       # `destination_dataset_id` is created when needed and shared with the
       # appropriate data source service account.
-    "status": "A String", # Status of the most recently updated transfer run.
-        # @OutputOnly
     "dataRefreshWindowDays": 42, # The number of days to look back to automatically refresh the data.
         # For example, if `data_refresh_window_days = 10`, then every day
         # BigQuery reingests data for [today-10, today-1], rather than ingesting data
         # for just [today-1].
         # Only valid if the data source supports the feature. Set the value to  0
         # to use the default value.
-    "updateTime": "A String", # Data transfer modification time. Ignored by server on input.
-        # @OutputOnly
+    "updateTime": "A String", # Output only. Data transfer modification time. Ignored by server on input.
     "destinationDatasetId": "A String", # The BigQuery target dataset id.
     "displayName": "A String", # User specified display name for the data transfer.
-    "name": "A String", # The resource name of the transfer run.
-        # Transfer run names have the form
-        # `projects/{project_id}/transferConfigs/{config_id}`.
-        # Where `config_id` is usually a uuid, even though it is not
-        # guaranteed or required. The name is ignored when creating a transfer run.
-    "schedule": "A String", # Data transfer schedule in GROC format.
+    "name": "A String", # The resource name of the transfer config.
+        # Transfer config names have the form of
+        # `projects/{project_id}/locations/{region}/transferConfigs/{config_id}`.
+        # The name is automatically generated based on the config_id specified in
+        # CreateTransferConfigRequest along with project_id and region. If config_id
+        # is not provided, usually a uuid, even though it is not guaranteed or
+        # required, will be generated for config_id.
+    "schedule": "A String", # Data transfer schedule.
         # If the data source does not support a custom schedule, this should be
         # empty. If it is empty, the default value for the data source will be
         # used.
         # The specified times are in UTC.
-        # Examples of valid GROC include:
+        # Examples of valid format:
         # `1st,3rd monday of month 15:30`,
         # `every wed,fri of jan,jun 13:15`, and
         # `first sunday of quarter 00:00`.
-    "userId": "A String", # GaiaID of the user on whose behalf transfer is done. Applicable only
-        # to data sources that do not support service accounts. When set to 0,
-        # the data source service account credentials are used.
-        # @OutputOnly
+        # See more explanation about the format here:
+        # https://cloud.google.com/appengine/docs/flexible/python/scheduling-jobs-with-cron-yaml#the_schedule_format
+        # NOTE: the granularity should be at least 8 hours, or less frequent.
+    "datasetRegion": "A String", # Output only. Region in which BigQuery dataset is located.
     "disabled": True or False, # Is this config disabled. When set to true, no runs are scheduled
         # for a given transfer.
+    "userId": "A String", # Deprecated. Unique ID of the user on whose behalf transfer is done.
+    "scheduleOptions": { # Options customizing the data transfer schedule. # Options customizing the data transfer schedule.
+      "disableAutoScheduling": True or False, # If true, automatic scheduling of data transfer runs for this configuration
+          # will be disabled. The runs can be started on ad-hoc basis using
+          # StartManualTransferRuns API. When automatic scheduling is disabled, the
+          # TransferConfig.schedule field will be ignored.
+      "endTime": "A String", # Defines time to stop scheduling transfer runs. A transfer run cannot be
+          # scheduled at or after the end time. The end time can be changed at any
+          # moment. The time when a data transfer can be trigerred manually is not
+          # limited by this option.
+      "startTime": "A String", # Specifies time to start scheduling transfer runs. The first run will be
+          # scheduled at or after the start time according to a recurrence pattern
+          # defined in the schedule string. The start time can be changed at any
+          # moment. The time when a data transfer can be trigerred manually is not
+          # limited by this option.
+    },
+    "state": "A String", # Output only. State of the most recently updated transfer run.
     "dataSourceId": "A String", # Data source id. Cannot be changed once data transfer is created.
-    "nextRunTime": "A String", # Next time when data transfer will run. Output only. Applicable
-        # only for batch data transfers.
-        # @OutputOnly
+    "nextRunTime": "A String", # Output only. Next time when data transfer will run.
     "params": { # Data transfer specific parameters.
       "a_key": "", # Properties of the object.
     },
@@ -278,42 +318,56 @@
       # When a new transfer configuration is created, the specified
       # `destination_dataset_id` is created when needed and shared with the
       # appropriate data source service account.
-    "status": "A String", # Status of the most recently updated transfer run.
-        # @OutputOnly
     "dataRefreshWindowDays": 42, # The number of days to look back to automatically refresh the data.
         # For example, if `data_refresh_window_days = 10`, then every day
         # BigQuery reingests data for [today-10, today-1], rather than ingesting data
         # for just [today-1].
         # Only valid if the data source supports the feature. Set the value to  0
         # to use the default value.
-    "updateTime": "A String", # Data transfer modification time. Ignored by server on input.
-        # @OutputOnly
+    "updateTime": "A String", # Output only. Data transfer modification time. Ignored by server on input.
     "destinationDatasetId": "A String", # The BigQuery target dataset id.
     "displayName": "A String", # User specified display name for the data transfer.
-    "name": "A String", # The resource name of the transfer run.
-        # Transfer run names have the form
-        # `projects/{project_id}/transferConfigs/{config_id}`.
-        # Where `config_id` is usually a uuid, even though it is not
-        # guaranteed or required. The name is ignored when creating a transfer run.
-    "schedule": "A String", # Data transfer schedule in GROC format.
+    "name": "A String", # The resource name of the transfer config.
+        # Transfer config names have the form of
+        # `projects/{project_id}/locations/{region}/transferConfigs/{config_id}`.
+        # The name is automatically generated based on the config_id specified in
+        # CreateTransferConfigRequest along with project_id and region. If config_id
+        # is not provided, usually a uuid, even though it is not guaranteed or
+        # required, will be generated for config_id.
+    "schedule": "A String", # Data transfer schedule.
         # If the data source does not support a custom schedule, this should be
         # empty. If it is empty, the default value for the data source will be
         # used.
         # The specified times are in UTC.
-        # Examples of valid GROC include:
+        # Examples of valid format:
         # `1st,3rd monday of month 15:30`,
         # `every wed,fri of jan,jun 13:15`, and
         # `first sunday of quarter 00:00`.
-    "userId": "A String", # GaiaID of the user on whose behalf transfer is done. Applicable only
-        # to data sources that do not support service accounts. When set to 0,
-        # the data source service account credentials are used.
-        # @OutputOnly
+        # See more explanation about the format here:
+        # https://cloud.google.com/appengine/docs/flexible/python/scheduling-jobs-with-cron-yaml#the_schedule_format
+        # NOTE: the granularity should be at least 8 hours, or less frequent.
+    "datasetRegion": "A String", # Output only. Region in which BigQuery dataset is located.
     "disabled": True or False, # Is this config disabled. When set to true, no runs are scheduled
         # for a given transfer.
+    "userId": "A String", # Deprecated. Unique ID of the user on whose behalf transfer is done.
+    "scheduleOptions": { # Options customizing the data transfer schedule. # Options customizing the data transfer schedule.
+      "disableAutoScheduling": True or False, # If true, automatic scheduling of data transfer runs for this configuration
+          # will be disabled. The runs can be started on ad-hoc basis using
+          # StartManualTransferRuns API. When automatic scheduling is disabled, the
+          # TransferConfig.schedule field will be ignored.
+      "endTime": "A String", # Defines time to stop scheduling transfer runs. A transfer run cannot be
+          # scheduled at or after the end time. The end time can be changed at any
+          # moment. The time when a data transfer can be trigerred manually is not
+          # limited by this option.
+      "startTime": "A String", # Specifies time to start scheduling transfer runs. The first run will be
+          # scheduled at or after the start time according to a recurrence pattern
+          # defined in the schedule string. The start time can be changed at any
+          # moment. The time when a data transfer can be trigerred manually is not
+          # limited by this option.
+    },
+    "state": "A String", # Output only. State of the most recently updated transfer run.
     "dataSourceId": "A String", # Data source id. Cannot be changed once data transfer is created.
-    "nextRunTime": "A String", # Next time when data transfer will run. Output only. Applicable
-        # only for batch data transfers.
-        # @OutputOnly
+    "nextRunTime": "A String", # Output only. Next time when data transfer will run.
     "params": { # Data transfer specific parameters.
       "a_key": "", # Properties of the object.
     },
@@ -343,55 +397,67 @@
   An object of the form:
 
     { # The returned list of pipelines in the project.
-    "nextPageToken": "A String", # The next-pagination token. For multiple-page list results,
+    "nextPageToken": "A String", # Output only. The next-pagination token. For multiple-page list results,
         # this token can be used as the
         # `ListTransferConfigsRequest.page_token`
         # to request the next page of list results.
-        # @OutputOnly
-    "transferConfigs": [ # The stored pipeline transfer configurations.
-        # @OutputOnly
+    "transferConfigs": [ # Output only. The stored pipeline transfer configurations.
       { # Represents a data transfer configuration. A transfer configuration
           # contains all metadata needed to perform a data transfer. For example,
           # `destination_dataset_id` specifies where data should be stored.
           # When a new transfer configuration is created, the specified
           # `destination_dataset_id` is created when needed and shared with the
           # appropriate data source service account.
-        "status": "A String", # Status of the most recently updated transfer run.
-            # @OutputOnly
         "dataRefreshWindowDays": 42, # The number of days to look back to automatically refresh the data.
             # For example, if `data_refresh_window_days = 10`, then every day
             # BigQuery reingests data for [today-10, today-1], rather than ingesting data
             # for just [today-1].
             # Only valid if the data source supports the feature. Set the value to  0
             # to use the default value.
-        "updateTime": "A String", # Data transfer modification time. Ignored by server on input.
-            # @OutputOnly
+        "updateTime": "A String", # Output only. Data transfer modification time. Ignored by server on input.
         "destinationDatasetId": "A String", # The BigQuery target dataset id.
         "displayName": "A String", # User specified display name for the data transfer.
-        "name": "A String", # The resource name of the transfer run.
-            # Transfer run names have the form
-            # `projects/{project_id}/transferConfigs/{config_id}`.
-            # Where `config_id` is usually a uuid, even though it is not
-            # guaranteed or required. The name is ignored when creating a transfer run.
-        "schedule": "A String", # Data transfer schedule in GROC format.
+        "name": "A String", # The resource name of the transfer config.
+            # Transfer config names have the form of
+            # `projects/{project_id}/locations/{region}/transferConfigs/{config_id}`.
+            # The name is automatically generated based on the config_id specified in
+            # CreateTransferConfigRequest along with project_id and region. If config_id
+            # is not provided, usually a uuid, even though it is not guaranteed or
+            # required, will be generated for config_id.
+        "schedule": "A String", # Data transfer schedule.
             # If the data source does not support a custom schedule, this should be
             # empty. If it is empty, the default value for the data source will be
             # used.
             # The specified times are in UTC.
-            # Examples of valid GROC include:
+            # Examples of valid format:
             # `1st,3rd monday of month 15:30`,
             # `every wed,fri of jan,jun 13:15`, and
             # `first sunday of quarter 00:00`.
-        "userId": "A String", # GaiaID of the user on whose behalf transfer is done. Applicable only
-            # to data sources that do not support service accounts. When set to 0,
-            # the data source service account credentials are used.
-            # @OutputOnly
+            # See more explanation about the format here:
+            # https://cloud.google.com/appengine/docs/flexible/python/scheduling-jobs-with-cron-yaml#the_schedule_format
+            # NOTE: the granularity should be at least 8 hours, or less frequent.
+        "datasetRegion": "A String", # Output only. Region in which BigQuery dataset is located.
         "disabled": True or False, # Is this config disabled. When set to true, no runs are scheduled
             # for a given transfer.
+        "userId": "A String", # Deprecated. Unique ID of the user on whose behalf transfer is done.
+        "scheduleOptions": { # Options customizing the data transfer schedule. # Options customizing the data transfer schedule.
+          "disableAutoScheduling": True or False, # If true, automatic scheduling of data transfer runs for this configuration
+              # will be disabled. The runs can be started on ad-hoc basis using
+              # StartManualTransferRuns API. When automatic scheduling is disabled, the
+              # TransferConfig.schedule field will be ignored.
+          "endTime": "A String", # Defines time to stop scheduling transfer runs. A transfer run cannot be
+              # scheduled at or after the end time. The end time can be changed at any
+              # moment. The time when a data transfer can be trigerred manually is not
+              # limited by this option.
+          "startTime": "A String", # Specifies time to start scheduling transfer runs. The first run will be
+              # scheduled at or after the start time according to a recurrence pattern
+              # defined in the schedule string. The start time can be changed at any
+              # moment. The time when a data transfer can be trigerred manually is not
+              # limited by this option.
+        },
+        "state": "A String", # Output only. State of the most recently updated transfer run.
         "dataSourceId": "A String", # Data source id. Cannot be changed once data transfer is created.
-        "nextRunTime": "A String", # Next time when data transfer will run. Output only. Applicable
-            # only for batch data transfers.
-            # @OutputOnly
+        "nextRunTime": "A String", # Output only. Next time when data transfer will run.
         "params": { # Data transfer specific parameters.
           "a_key": "", # Properties of the object.
         },
@@ -415,16 +481,18 @@
 </div>
 
 <div class="method">
-    <code class="details" id="patch">patch(name, body, authorizationCode=None, updateMask=None, x__xgafv=None)</code>
+    <code class="details" id="patch">patch(name, body, authorizationCode=None, updateMask=None, versionInfo=None, x__xgafv=None)</code>
   <pre>Updates a data transfer configuration.
 All fields must be set, even if they are not updated.
 
 Args:
-  name: string, The resource name of the transfer run.
-Transfer run names have the form
-`projects/{project_id}/transferConfigs/{config_id}`.
-Where `config_id` is usually a uuid, even though it is not
-guaranteed or required. The name is ignored when creating a transfer run. (required)
+  name: string, The resource name of the transfer config.
+Transfer config names have the form of
+`projects/{project_id}/locations/{region}/transferConfigs/{config_id}`.
+The name is automatically generated based on the config_id specified in
+CreateTransferConfigRequest along with project_id and region. If config_id
+is not provided, usually a uuid, even though it is not guaranteed or
+required, will be generated for config_id. (required)
   body: object, The request body. (required)
     The object takes the form of:
 
@@ -434,42 +502,56 @@
     # When a new transfer configuration is created, the specified
     # `destination_dataset_id` is created when needed and shared with the
     # appropriate data source service account.
-  "status": "A String", # Status of the most recently updated transfer run.
-      # @OutputOnly
   "dataRefreshWindowDays": 42, # The number of days to look back to automatically refresh the data.
       # For example, if `data_refresh_window_days = 10`, then every day
       # BigQuery reingests data for [today-10, today-1], rather than ingesting data
       # for just [today-1].
       # Only valid if the data source supports the feature. Set the value to  0
       # to use the default value.
-  "updateTime": "A String", # Data transfer modification time. Ignored by server on input.
-      # @OutputOnly
+  "updateTime": "A String", # Output only. Data transfer modification time. Ignored by server on input.
   "destinationDatasetId": "A String", # The BigQuery target dataset id.
   "displayName": "A String", # User specified display name for the data transfer.
-  "name": "A String", # The resource name of the transfer run.
-      # Transfer run names have the form
-      # `projects/{project_id}/transferConfigs/{config_id}`.
-      # Where `config_id` is usually a uuid, even though it is not
-      # guaranteed or required. The name is ignored when creating a transfer run.
-  "schedule": "A String", # Data transfer schedule in GROC format.
+  "name": "A String", # The resource name of the transfer config.
+      # Transfer config names have the form of
+      # `projects/{project_id}/locations/{region}/transferConfigs/{config_id}`.
+      # The name is automatically generated based on the config_id specified in
+      # CreateTransferConfigRequest along with project_id and region. If config_id
+      # is not provided, usually a uuid, even though it is not guaranteed or
+      # required, will be generated for config_id.
+  "schedule": "A String", # Data transfer schedule.
       # If the data source does not support a custom schedule, this should be
       # empty. If it is empty, the default value for the data source will be
       # used.
       # The specified times are in UTC.
-      # Examples of valid GROC include:
+      # Examples of valid format:
       # `1st,3rd monday of month 15:30`,
       # `every wed,fri of jan,jun 13:15`, and
       # `first sunday of quarter 00:00`.
-  "userId": "A String", # GaiaID of the user on whose behalf transfer is done. Applicable only
-      # to data sources that do not support service accounts. When set to 0,
-      # the data source service account credentials are used.
-      # @OutputOnly
+      # See more explanation about the format here:
+      # https://cloud.google.com/appengine/docs/flexible/python/scheduling-jobs-with-cron-yaml#the_schedule_format
+      # NOTE: the granularity should be at least 8 hours, or less frequent.
+  "datasetRegion": "A String", # Output only. Region in which BigQuery dataset is located.
   "disabled": True or False, # Is this config disabled. When set to true, no runs are scheduled
       # for a given transfer.
+  "userId": "A String", # Deprecated. Unique ID of the user on whose behalf transfer is done.
+  "scheduleOptions": { # Options customizing the data transfer schedule. # Options customizing the data transfer schedule.
+    "disableAutoScheduling": True or False, # If true, automatic scheduling of data transfer runs for this configuration
+        # will be disabled. The runs can be started on ad-hoc basis using
+        # StartManualTransferRuns API. When automatic scheduling is disabled, the
+        # TransferConfig.schedule field will be ignored.
+    "endTime": "A String", # Defines time to stop scheduling transfer runs. A transfer run cannot be
+        # scheduled at or after the end time. The end time can be changed at any
+        # moment. The time when a data transfer can be trigerred manually is not
+        # limited by this option.
+    "startTime": "A String", # Specifies time to start scheduling transfer runs. The first run will be
+        # scheduled at or after the start time according to a recurrence pattern
+        # defined in the schedule string. The start time can be changed at any
+        # moment. The time when a data transfer can be trigerred manually is not
+        # limited by this option.
+  },
+  "state": "A String", # Output only. State of the most recently updated transfer run.
   "dataSourceId": "A String", # Data source id. Cannot be changed once data transfer is created.
-  "nextRunTime": "A String", # Next time when data transfer will run. Output only. Applicable
-      # only for batch data transfers.
-      # @OutputOnly
+  "nextRunTime": "A String", # Output only. Next time when data transfer will run.
   "params": { # Data transfer specific parameters.
     "a_key": "", # Properties of the object.
   },
@@ -477,7 +559,7 @@
 
   authorizationCode: string, Optional OAuth2 authorization code to use with this transfer configuration.
 If it is provided, the transfer configuration will be associated with the
-gaia id of the authorizing user.
+authorizing user.
 In order to obtain authorization_code, please make a
 request to
 https://www.gstatic.com/bigquerydatatransfer/oauthz/auth?client_id=<datatransferapiclientid>&scope=<data_source_scopes>&redirect_uri=<redirect_uri>
@@ -492,6 +574,12 @@
   returned in the title bar of the browser, with the page text prompting
   the user to copy the code and paste it in the application.
   updateMask: string, Required list of fields to be updated in this request.
+  versionInfo: string, Optional version info. If users want to find a very recent access token,
+that is, immediately after approving access, users have to set the
+version_info claim in the token request. To obtain the version_info, users
+must use the “none+gsession” response type. which be return a
+version_info back in the authorization response which be be put in a JWT
+claim in the token request.
   x__xgafv: string, V1 error format.
     Allowed values
       1 - v1 error format
@@ -506,42 +594,56 @@
       # When a new transfer configuration is created, the specified
       # `destination_dataset_id` is created when needed and shared with the
       # appropriate data source service account.
-    "status": "A String", # Status of the most recently updated transfer run.
-        # @OutputOnly
     "dataRefreshWindowDays": 42, # The number of days to look back to automatically refresh the data.
         # For example, if `data_refresh_window_days = 10`, then every day
         # BigQuery reingests data for [today-10, today-1], rather than ingesting data
         # for just [today-1].
         # Only valid if the data source supports the feature. Set the value to  0
         # to use the default value.
-    "updateTime": "A String", # Data transfer modification time. Ignored by server on input.
-        # @OutputOnly
+    "updateTime": "A String", # Output only. Data transfer modification time. Ignored by server on input.
     "destinationDatasetId": "A String", # The BigQuery target dataset id.
     "displayName": "A String", # User specified display name for the data transfer.
-    "name": "A String", # The resource name of the transfer run.
-        # Transfer run names have the form
-        # `projects/{project_id}/transferConfigs/{config_id}`.
-        # Where `config_id` is usually a uuid, even though it is not
-        # guaranteed or required. The name is ignored when creating a transfer run.
-    "schedule": "A String", # Data transfer schedule in GROC format.
+    "name": "A String", # The resource name of the transfer config.
+        # Transfer config names have the form of
+        # `projects/{project_id}/locations/{region}/transferConfigs/{config_id}`.
+        # The name is automatically generated based on the config_id specified in
+        # CreateTransferConfigRequest along with project_id and region. If config_id
+        # is not provided, usually a uuid, even though it is not guaranteed or
+        # required, will be generated for config_id.
+    "schedule": "A String", # Data transfer schedule.
         # If the data source does not support a custom schedule, this should be
         # empty. If it is empty, the default value for the data source will be
         # used.
         # The specified times are in UTC.
-        # Examples of valid GROC include:
+        # Examples of valid format:
         # `1st,3rd monday of month 15:30`,
         # `every wed,fri of jan,jun 13:15`, and
         # `first sunday of quarter 00:00`.
-    "userId": "A String", # GaiaID of the user on whose behalf transfer is done. Applicable only
-        # to data sources that do not support service accounts. When set to 0,
-        # the data source service account credentials are used.
-        # @OutputOnly
+        # See more explanation about the format here:
+        # https://cloud.google.com/appengine/docs/flexible/python/scheduling-jobs-with-cron-yaml#the_schedule_format
+        # NOTE: the granularity should be at least 8 hours, or less frequent.
+    "datasetRegion": "A String", # Output only. Region in which BigQuery dataset is located.
     "disabled": True or False, # Is this config disabled. When set to true, no runs are scheduled
         # for a given transfer.
+    "userId": "A String", # Deprecated. Unique ID of the user on whose behalf transfer is done.
+    "scheduleOptions": { # Options customizing the data transfer schedule. # Options customizing the data transfer schedule.
+      "disableAutoScheduling": True or False, # If true, automatic scheduling of data transfer runs for this configuration
+          # will be disabled. The runs can be started on ad-hoc basis using
+          # StartManualTransferRuns API. When automatic scheduling is disabled, the
+          # TransferConfig.schedule field will be ignored.
+      "endTime": "A String", # Defines time to stop scheduling transfer runs. A transfer run cannot be
+          # scheduled at or after the end time. The end time can be changed at any
+          # moment. The time when a data transfer can be trigerred manually is not
+          # limited by this option.
+      "startTime": "A String", # Specifies time to start scheduling transfer runs. The first run will be
+          # scheduled at or after the start time according to a recurrence pattern
+          # defined in the schedule string. The start time can be changed at any
+          # moment. The time when a data transfer can be trigerred manually is not
+          # limited by this option.
+    },
+    "state": "A String", # Output only. State of the most recently updated transfer run.
     "dataSourceId": "A String", # Data source id. Cannot be changed once data transfer is created.
-    "nextRunTime": "A String", # Next time when data transfer will run. Output only. Applicable
-        # only for batch data transfers.
-        # @OutputOnly
+    "nextRunTime": "A String", # Output only. Next time when data transfer will run.
     "params": { # Data transfer specific parameters.
       "a_key": "", # Properties of the object.
     },
@@ -550,10 +652,11 @@
 
 <div class="method">
     <code class="details" id="scheduleRuns">scheduleRuns(parent, body, x__xgafv=None)</code>
-  <pre>Creates transfer runs for a time range [range_start_time, range_end_time].
+  <pre>Creates transfer runs for a time range [start_time, end_time].
 For each date - or whatever granularity the data source supports - in the
 range, one transfer run is created.
 Note that runs are created per UTC time in the time range.
+DEPRECATED: use StartManualTransferRuns instead.
 
 Args:
   parent: string, Transfer configuration name in the form:
@@ -562,8 +665,10 @@
     The object takes the form of:
 
 { # A request to schedule transfer runs for a time range.
-    "rangeStartTime": "A String", # Start time of the range of transfer runs.
-    "rangeEndTime": "A String", # End time of the range of transfer runs.
+    "endTime": "A String", # End time of the range of transfer runs. For example,
+        # `"2017-05-30T00:00:00+00:00"`.
+    "startTime": "A String", # Start time of the range of transfer runs. For example,
+        # `"2017-05-25T00:00:00+00:00"`.
   }
 
   x__xgafv: string, V1 error format.
@@ -575,39 +680,137 @@
   An object of the form:
 
     { # A response to schedule transfer runs for a time range.
-    "createdRuns": [ # The transfer runs that were created.
+    "runs": [ # The transfer runs that were scheduled.
       { # Represents a data transfer run.
-        "status": "A String", # Data transfer run status. Ignored for input requests.
-            # @OutputOnly
-        "updateTime": "A String", # Last time the data transfer run status was updated.
-            # @OutputOnly
-        "destinationDatasetId": "A String", # The BigQuery target dataset id.
+        "updateTime": "A String", # Output only. Last time the data transfer run state was updated.
+        "destinationDatasetId": "A String", # Output only. The BigQuery target dataset id.
         "name": "A String", # The resource name of the transfer run.
             # Transfer run names have the form
-            # `projects/{project_id}/transferConfigs/{config_id}/runs/{run_id}`.
+            # `projects/{project_id}/locations/{location}/transferConfigs/{config_id}/runs/{run_id}`.
             # The name is ignored when creating a transfer run.
-        "schedule": "A String", # Describes the schedule of this transfer run if it was created as part of
-            # a regular schedule. For batch transfer runs that are directly created,
-            # this is empty.
+        "schedule": "A String", # Output only. Describes the schedule of this transfer run if it was
+            # created as part of a regular schedule. For batch transfer runs that are
+            # scheduled manually, this is empty.
             # NOTE: the system might choose to delay the schedule depending on the
-            # current load, so `schedule_time` doesn't always matches this.
-            # @OutputOnly
+            # current load, so `schedule_time` doesn't always match this.
         "scheduleTime": "A String", # Minimum time after which a transfer run can be started.
-        "userId": "A String", # The user id for this transfer run.
-            # @OutputOnly
-        "dataSourceId": "A String", # Data source id.
-            # @OutputOnly
-        "startTime": "A String", # Time when transfer run was started. Parameter ignored by server for input
-            # requests.
-            # @OutputOnly
-        "params": { # Data transfer specific parameters.
+        "userId": "A String", # Deprecated. Unique ID of the user on whose behalf transfer is done.
+        "state": "A String", # Data transfer run state. Ignored for input requests.
+        "errorStatus": { # The `Status` type defines a logical error model that is suitable for # Status of the transfer run.
+            # different programming environments, including REST APIs and RPC APIs. It is
+            # used by [gRPC](https://github.com/grpc). Each `Status` message contains
+            # three pieces of data: error code, error message, and error details.
+            #
+            # You can find out more about this error model and how to work with it in the
+            # [API Design Guide](https://cloud.google.com/apis/design/errors).
+          "message": "A String", # A developer-facing error message, which should be in English. Any
+              # user-facing error message should be localized and sent in the
+              # google.rpc.Status.details field, or localized by the client.
+          "code": 42, # The status code, which should be an enum value of google.rpc.Code.
+          "details": [ # A list of messages that carry the error details.  There is a common set of
+              # message types for APIs to use.
+            {
+              "a_key": "", # Properties of the object. Contains field @type with type URL.
+            },
+          ],
+        },
+        "params": { # Output only. Data transfer specific parameters.
           "a_key": "", # Properties of the object.
         },
+        "startTime": "A String", # Output only. Time when transfer run was started.
+            # Parameter ignored by server for input requests.
+        "dataSourceId": "A String", # Output only. Data source id.
         "runTime": "A String", # For batch transfer runs, specifies the date and time that
             # data should be ingested.
-        "endTime": "A String", # Time when transfer run ended. Parameter ignored by server for input
-            # requests.
-            # @OutputOnly
+        "endTime": "A String", # Output only. Time when transfer run ended.
+            # Parameter ignored by server for input requests.
+      },
+    ],
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="startManualRuns">startManualRuns(parent, body, x__xgafv=None)</code>
+  <pre>Start manual transfer runs to be executed now with schedule_time equal to
+current time. The transfer runs can be created for a time range where the
+run_time is between start_time (inclusive) and end_time (exclusive), or for
+a specific run_time.
+
+Args:
+  parent: string, Transfer configuration name in the form:
+`projects/{project_id}/transferConfigs/{config_id}`. (required)
+  body: object, The request body. (required)
+    The object takes the form of:
+
+{ # A request to start manual transfer runs.
+    "requestedTimeRange": { # A specification for a time range, this will request transfer runs with # Time range for the transfer runs that should be started.
+        # run_time between start_time (inclusive) and end_time (exclusive).
+      "endTime": "A String", # End time of the range of transfer runs. For example,
+          # `"2017-05-30T00:00:00+00:00"`. The end_time must not be in the future.
+          # Creates transfer runs where run_time is in the range betwen start_time
+          # (inclusive) and end_time (exlusive).
+      "startTime": "A String", # Start time of the range of transfer runs. For example,
+          # `"2017-05-25T00:00:00+00:00"`. The start_time must be strictly less than
+          # the end_time. Creates transfer runs where run_time is in the range betwen
+          # start_time (inclusive) and end_time (exlusive).
+    },
+    "requestedRunTime": "A String", # Specific run_time for a transfer run to be started. The
+        # requested_run_time must not be in the future.
+  }
+
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # A response to start manual transfer runs.
+    "runs": [ # The transfer runs that were created.
+      { # Represents a data transfer run.
+        "updateTime": "A String", # Output only. Last time the data transfer run state was updated.
+        "destinationDatasetId": "A String", # Output only. The BigQuery target dataset id.
+        "name": "A String", # The resource name of the transfer run.
+            # Transfer run names have the form
+            # `projects/{project_id}/locations/{location}/transferConfigs/{config_id}/runs/{run_id}`.
+            # The name is ignored when creating a transfer run.
+        "schedule": "A String", # Output only. Describes the schedule of this transfer run if it was
+            # created as part of a regular schedule. For batch transfer runs that are
+            # scheduled manually, this is empty.
+            # NOTE: the system might choose to delay the schedule depending on the
+            # current load, so `schedule_time` doesn't always match this.
+        "scheduleTime": "A String", # Minimum time after which a transfer run can be started.
+        "userId": "A String", # Deprecated. Unique ID of the user on whose behalf transfer is done.
+        "state": "A String", # Data transfer run state. Ignored for input requests.
+        "errorStatus": { # The `Status` type defines a logical error model that is suitable for # Status of the transfer run.
+            # different programming environments, including REST APIs and RPC APIs. It is
+            # used by [gRPC](https://github.com/grpc). Each `Status` message contains
+            # three pieces of data: error code, error message, and error details.
+            #
+            # You can find out more about this error model and how to work with it in the
+            # [API Design Guide](https://cloud.google.com/apis/design/errors).
+          "message": "A String", # A developer-facing error message, which should be in English. Any
+              # user-facing error message should be localized and sent in the
+              # google.rpc.Status.details field, or localized by the client.
+          "code": 42, # The status code, which should be an enum value of google.rpc.Code.
+          "details": [ # A list of messages that carry the error details.  There is a common set of
+              # message types for APIs to use.
+            {
+              "a_key": "", # Properties of the object. Contains field @type with type URL.
+            },
+          ],
+        },
+        "params": { # Output only. Data transfer specific parameters.
+          "a_key": "", # Properties of the object.
+        },
+        "startTime": "A String", # Output only. Time when transfer run was started.
+            # Parameter ignored by server for input requests.
+        "dataSourceId": "A String", # Output only. Data source id.
+        "runTime": "A String", # For batch transfer runs, specifies the date and time that
+            # data should be ingested.
+        "endTime": "A String", # Output only. Time when transfer run ended.
+            # Parameter ignored by server for input requests.
       },
     ],
   }</pre>