setChatDescription method
Use this method to change the description of a group, a supergroup or a channel.
The bot must be an administrator in the chat for this to work and must have the appropriate admin rights.
Returns True on success.
Implementation
Future<bool> setChatDescription(ChatID chatId, String description) {
return _client.apiCall(_token, 'setChatDescription', {
'chat_id': chatId,
'description': description,
});
}