Changes active state for a username of a bot. The editable username can't be disabled. May return an error with a message "USERNAMES_ACTIVE_TOO_MUCH" if the maximum number of active usernames has been reached. Can be called only if userTypeBot.can_be_edited == true
| bot_user_id |
Identifier of the target bot |
| username |
The username to change |
| is_active |
Pass true to activate the username; pass false to disable it |