Toggles whether the current user will receive a notification when the group call starts; scheduled group calls only. Request type for Tdjson#toggleGroupCallEnabledStartNotification.
Optional
New value of the enabled_start_notification setting.
Group call identifier.
Toggles whether the current user will receive a notification when the group call starts; scheduled group calls only. Request type for Tdjson#toggleGroupCallEnabledStartNotification.