Enables the GCM channel for an application or updates the status and settings of the GCM channel for an application.
pinpoint_update_gcm_channel(ApplicationId, GCMChannelRequest)
[required] The unique identifier for the application. This identifier is displayed as the Project ID on the Amazon Pinpoint console.
[required]
svc$update_gcm_channel( ApplicationId = "string", GCMChannelRequest = list( ApiKey = "string", Enabled = TRUE|FALSE ) )