endpoint = 'https://.servicebus.windows.net//messages'; $this->primaryKey = env('AZURE_NOTIFICATION_HUB_PRIMARY_KEY'); } public function sendNotification($message) { $response = Http::withHeaders([ 'Authorization' => $this->primaryKey, 'Content-Type' => 'application/json' ])->post($this->endpoint, [ 'data' => $message ]); return $response->json(); } }