View Source ExTDLib.Method.SetChatDescription (ExTDLib v0.0.4)

Changes information about a chat. Available for basic groups, supergroups, and channels. Requires can_change_info administrator right. Returns object_ptr<Ok>.

NameTypeDescription
chat_idstringIdentifier of the chat.
descriptionstringNew chat description; 0-255 characters.

More details on telegram's documentation.