UserService.IsUsernameAvailable

Checks to see if the username is available

(Void) IsUsernameAvailable(username(String) The username to check , successCallback(Function) The callback method to invoke when successful , failureCallback(Function) The callback method to invoke when failed )

Param

  • username

    (String)

    The username to check

  • successCallback

    (Function)

    The callback method to invoke when successful

  • failureCallback

    (Function)

    The callback method to invoke when failed