gistfile1.txt

- (void)login {
    PFUser *user = [PFUser user];
		//this is hardcoded but you can get also get it from an input textfield 
    user.username = @"my name";
    user.password = @"my pass";
    user.email = @"email@example.com";

    // other fields can be set just like with PFObject
    user[@"phone"] = @"415-392-0202";

    [user signUpInBackgroundWithBlock:^(BOOL succeeded, NSError *error) {
      if (!error) {   // Hooray! Let them use the app now.

				//once we have successfully authenticated via Parse, we can safely connect to the given channel name
				//with the same username
		    [self.channel.members inviteByIdentity:user.username
		                                    completion:^(TMResultEnum result) {
		                                        if (result == TMResultSuccess) {
		                                            NSLog(@"User invited!");
		                                        } else {
		                                            NSLog(@"User could not be invited.");
		                                        }
		                                    }];
      } else {   NSString *errorString = [error userInfo][@"error"];   // Show the errorString somewhere and let the user try again.
      }
    }];
}