Call to a member function notify() on null

Obvious question, are you logged in?

yes I am

Are you sure? add a dd(auth()->user()); just before your auth()->user()->notify() and see what it says.

What version Laravel are you on?

Do you see use Notifiable; at the top of the User model?

when I did dd(auth()->user()); it returned null. what should I do to fix this

@Snapey I did see it there

it returned null. what should I do to fix this

That's hard to say based solely on the 3 lines of code you're showing. This method should only be able to be used by people who are authenticated and logged in. There are several ways to do that, but I don't know anything about your app, how it's structured, the routes, etc.

Easiest thing to do is create a route group that uses the auth middleware, and define all of the routes that require a logged in user within it.

// any routes defined within this route group would require a user to be logged in first, or it will throw an error
Route::middleware(['auth'])->group(function () {

    Route::get('/', function () {
        
    });

    Route::get('user/profile', function () {
        
    });
});

But as I said, I know nothing about your app or if this would be good to do for your use case.

another option is to just check if they are logged in

if (Auth::check()) {
    $id= $bank['data']['metadata']['buyer_user_id'];
    $users = user::find($id);

  auth()->user()->notify(new MergedMechanic($users));
}

There are lots of ways.

@CRONIX - @cronix I have the same error...

here is my route:

Route::post('iaccs-hook', 'WebhookController@handle');

and my controller:

public function handle(Request $request){

        if (Auth::check()) {

          $data = $request;
          // $user = auth()->user()->hasRole('superadmin');
          \Log::info($data);
          auth()->user()->notify(new WebhookNotification($data));
          
        }

    }

error:

Call to a member function notifyNow() on null {"exception":"[object] (Symfony\\Component\\Debug\\Exception\\FatalThrowableError(code: 0): Call to a member function notifyNow() on null at C:\\wamp64\\www\\iaccs-admin-console\\app\\Http\\Controllers\\WebhookController.php:31)

Where is this request to the webhook coming from? You'll only get the authed user instance if the request is originating from the authenticated users browser to your app.