<?php

namespace Begin\Console;

use Illuminate\Console\Scheduling\Schedule;
use Laravel\Lumen\Console\Kernel as ConsoleKernel;

class Kernel extends ConsoleKernel
{
    /**
     * The Artisan commands provided by your application.
     *
     * @var array
     */
    protected $commands = [
        'BasicIT\LumenVendorPublish\VendorPublishCommand',
    ];

    /**
     * Define the application's command schedule.
     *
     * @param  \Illuminate\Console\Scheduling\Schedule  $schedule
     * @return void
     */
    protected function schedule(Schedule $schedule)
    {
        //
    }
}

<?php

namespace App\Console;

use Illuminate\Console\Scheduling\Schedule;
use Laravel\Lumen\Console\Kernel as ConsoleKernel;

class Kernel extends ConsoleKernel
{
    /**
     * The Artisan commands provided by your application.
     *
     * @var array
     */
    protected $commands = [
        //
    ];

    /**
     * Define the application's command schedule.
     *
     * @param  \Illuminate\Console\Scheduling\Schedule  $schedule
     * @return void
     */
    protected function schedule(Schedule $schedule)
    {
        //
    }
}

--- 
+++ 
@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Console;
+namespace Begin\Console;
 
 use Illuminate\Console\Scheduling\Schedule;
 use Laravel\Lumen\Console\Kernel as ConsoleKernel;
@@ -13,7 +13,7 @@
      * @var array
      */
     protected $commands = [
-        //
+        'BasicIT\LumenVendorPublish\VendorPublishCommand',
     ];
 
     /**
Add the vendor publish commands to the list of artisan commands
