RequestId.php

<?php

namespace App\Http\Middleware;

use Closure;
use Exception;
use Ramsey\Uuid\Uuid;

class RequestId
{
    /**
     * Handle an incoming request.
     *
     * @param \Illuminate\Http\Request $request
     * @param \Closure                 $next
     *
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        $request->attributes['requestId'] = Uuid::uuid4()->toString();
        try {
            $response = $next($request);
            $response->header('requestId', $request->get('requestId'));
            $this->after($request);
          
            return $response;
        } catch (Exception $e) {
            $this->after($request);
            throw $e;
        }
    }
  
    protected function after($request) 
    {
         // do something
        $request->get('requestId');
    }
}