Toggles whether the message history of a supergroup is available to new members; requires can_change_info member right. Request type for Tdjson#toggleSupergroupIsAllHistoryAvailable.
Optional
The new value of is_all_history_available.
The identifier of the supergroup.
Toggles whether the message history of a supergroup is available to new members; requires can_change_info member right. Request type for Tdjson#toggleSupergroupIsAllHistoryAvailable.