Update docs.
diff --git a/docs/dyn/youtube_v3.liveBroadcasts.html b/docs/dyn/youtube_v3.liveBroadcasts.html
index c6248be..9a5b629 100644
--- a/docs/dyn/youtube_v3.liveBroadcasts.html
+++ b/docs/dyn/youtube_v3.liveBroadcasts.html
@@ -124,6 +124,7 @@
       "recordingStatus": "A String", # The broadcast's recording status.
       "privacyStatus": "A String", # The broadcast's privacy status. Note that the broadcast represents exactly one YouTube video, so the privacy settings are identical to those supported for videos. In addition, you can set this field by modifying the broadcast resource or by setting the privacyStatus field of the corresponding video resource.
       "lifeCycleStatus": "A String", # The broadcast's status. The status can be updated using the API's liveBroadcasts.transition method.
+      "liveBroadcastPriority": "A String", # Priority of the live broadcast event (internal state).
     },
     "kind": "youtube#liveBroadcast", # Identifies what kind of resource this is. Value: the fixed string "youtube#liveBroadcast".
     "contentDetails": { # Detailed settings of a broadcast. # The contentDetails object contains information about the event's video content, such as whether the content can be shown in an embedded video player or if it will be archived and therefore available for viewing after the event has concluded.
@@ -215,7 +216,7 @@
 If you do not specify a value for this parameter, then YouTube performs the action as soon as possible. See the Getting started guide for more details.
 
 Important: You should only specify a value for this parameter if your broadcast stream is delayed.
-  walltime: string, The walltime parameter specifies the wall clock time at which the specified slate change will occur.
+  walltime: string, The walltime parameter specifies the wall clock time at which the specified slate change will occur. The value is specified in ISO 8601 (YYYY-MM-DDThh:mm:ss.sZ) format.
 
 Returns:
   An object of the form:
@@ -225,6 +226,7 @@
       "recordingStatus": "A String", # The broadcast's recording status.
       "privacyStatus": "A String", # The broadcast's privacy status. Note that the broadcast represents exactly one YouTube video, so the privacy settings are identical to those supported for videos. In addition, you can set this field by modifying the broadcast resource or by setting the privacyStatus field of the corresponding video resource.
       "lifeCycleStatus": "A String", # The broadcast's status. The status can be updated using the API's liveBroadcasts.transition method.
+      "liveBroadcastPriority": "A String", # Priority of the live broadcast event (internal state).
     },
     "kind": "youtube#liveBroadcast", # Identifies what kind of resource this is. Value: the fixed string "youtube#liveBroadcast".
     "contentDetails": { # Detailed settings of a broadcast. # The contentDetails object contains information about the event's video content, such as whether the content can be shown in an embedded video player or if it will be archived and therefore available for viewing after the event has concluded.
@@ -328,6 +330,7 @@
     "recordingStatus": "A String", # The broadcast's recording status.
     "privacyStatus": "A String", # The broadcast's privacy status. Note that the broadcast represents exactly one YouTube video, so the privacy settings are identical to those supported for videos. In addition, you can set this field by modifying the broadcast resource or by setting the privacyStatus field of the corresponding video resource.
     "lifeCycleStatus": "A String", # The broadcast's status. The status can be updated using the API's liveBroadcasts.transition method.
+    "liveBroadcastPriority": "A String", # Priority of the live broadcast event (internal state).
   },
   "kind": "youtube#liveBroadcast", # Identifies what kind of resource this is. Value: the fixed string "youtube#liveBroadcast".
   "contentDetails": { # Detailed settings of a broadcast. # The contentDetails object contains information about the event's video content, such as whether the content can be shown in an embedded video player or if it will be archived and therefore available for viewing after the event has concluded.
@@ -414,6 +417,7 @@
       "recordingStatus": "A String", # The broadcast's recording status.
       "privacyStatus": "A String", # The broadcast's privacy status. Note that the broadcast represents exactly one YouTube video, so the privacy settings are identical to those supported for videos. In addition, you can set this field by modifying the broadcast resource or by setting the privacyStatus field of the corresponding video resource.
       "lifeCycleStatus": "A String", # The broadcast's status. The status can be updated using the API's liveBroadcasts.transition method.
+      "liveBroadcastPriority": "A String", # Priority of the live broadcast event (internal state).
     },
     "kind": "youtube#liveBroadcast", # Identifies what kind of resource this is. Value: the fixed string "youtube#liveBroadcast".
     "contentDetails": { # Detailed settings of a broadcast. # The contentDetails object contains information about the event's video content, such as whether the content can be shown in an embedded video player or if it will be archived and therefore available for viewing after the event has concluded.
@@ -523,6 +527,7 @@
           "recordingStatus": "A String", # The broadcast's recording status.
           "privacyStatus": "A String", # The broadcast's privacy status. Note that the broadcast represents exactly one YouTube video, so the privacy settings are identical to those supported for videos. In addition, you can set this field by modifying the broadcast resource or by setting the privacyStatus field of the corresponding video resource.
           "lifeCycleStatus": "A String", # The broadcast's status. The status can be updated using the API's liveBroadcasts.transition method.
+          "liveBroadcastPriority": "A String", # Priority of the live broadcast event (internal state).
         },
         "kind": "youtube#liveBroadcast", # Identifies what kind of resource this is. Value: the fixed string "youtube#liveBroadcast".
         "contentDetails": { # Detailed settings of a broadcast. # The contentDetails object contains information about the event's video content, such as whether the content can be shown in an embedded video player or if it will be archived and therefore available for viewing after the event has concluded.
@@ -646,6 +651,7 @@
       "recordingStatus": "A String", # The broadcast's recording status.
       "privacyStatus": "A String", # The broadcast's privacy status. Note that the broadcast represents exactly one YouTube video, so the privacy settings are identical to those supported for videos. In addition, you can set this field by modifying the broadcast resource or by setting the privacyStatus field of the corresponding video resource.
       "lifeCycleStatus": "A String", # The broadcast's status. The status can be updated using the API's liveBroadcasts.transition method.
+      "liveBroadcastPriority": "A String", # Priority of the live broadcast event (internal state).
     },
     "kind": "youtube#liveBroadcast", # Identifies what kind of resource this is. Value: the fixed string "youtube#liveBroadcast".
     "contentDetails": { # Detailed settings of a broadcast. # The contentDetails object contains information about the event's video content, such as whether the content can be shown in an embedded video player or if it will be archived and therefore available for viewing after the event has concluded.
@@ -734,6 +740,7 @@
     "recordingStatus": "A String", # The broadcast's recording status.
     "privacyStatus": "A String", # The broadcast's privacy status. Note that the broadcast represents exactly one YouTube video, so the privacy settings are identical to those supported for videos. In addition, you can set this field by modifying the broadcast resource or by setting the privacyStatus field of the corresponding video resource.
     "lifeCycleStatus": "A String", # The broadcast's status. The status can be updated using the API's liveBroadcasts.transition method.
+    "liveBroadcastPriority": "A String", # Priority of the live broadcast event (internal state).
   },
   "kind": "youtube#liveBroadcast", # Identifies what kind of resource this is. Value: the fixed string "youtube#liveBroadcast".
   "contentDetails": { # Detailed settings of a broadcast. # The contentDetails object contains information about the event's video content, such as whether the content can be shown in an embedded video player or if it will be archived and therefore available for viewing after the event has concluded.
@@ -820,6 +827,7 @@
       "recordingStatus": "A String", # The broadcast's recording status.
       "privacyStatus": "A String", # The broadcast's privacy status. Note that the broadcast represents exactly one YouTube video, so the privacy settings are identical to those supported for videos. In addition, you can set this field by modifying the broadcast resource or by setting the privacyStatus field of the corresponding video resource.
       "lifeCycleStatus": "A String", # The broadcast's status. The status can be updated using the API's liveBroadcasts.transition method.
+      "liveBroadcastPriority": "A String", # Priority of the live broadcast event (internal state).
     },
     "kind": "youtube#liveBroadcast", # Identifies what kind of resource this is. Value: the fixed string "youtube#liveBroadcast".
     "contentDetails": { # Detailed settings of a broadcast. # The contentDetails object contains information about the event's video content, such as whether the content can be shown in an embedded video player or if it will be archived and therefore available for viewing after the event has concluded.