Toggles whether sender signature or link to the account is added to sent messages in a channel; requires can_change_info member right. Request type for Tdjson#toggleSupergroupSignMessages.
Optional
New value of show_message_sender.
New value of sign_messages.
Identifier of the channel.
Toggles whether sender signature or link to the account is added to sent messages in a channel; requires can_change_info member right. Request type for Tdjson#toggleSupergroupSignMessages.