checkChatUsername

Checks whether a username can be set for a chat.

checkChatUsername(chat_id, username, callback, data)

Field	Type	Description
chat_id	int32	Chat identifier; should be identifier of a supergroup chat, or a channel chat, or a private chat with self, or zero if chat is being created.
username	string	Username to be checked.

Example

• Checks whether "pegelinux" can be set for chat 1234567890 username.

  checkChatUsername(1234567890, 'pegelinux')

  Response:

  {
    ["@type"] = "checkChatUsernameResultUsernameOccupied"
  }