the approve candidate mailable for sending emails in Laravel 5

ApproveCandidate.php

<?php

//...

class ApproveCandidate extends Mailable
{
   use Queueable, SerializesModels;

   public $user;

   /**
    * Create a new message instance.
    *
    * @return void
    */
   public function __construct(User $user)
   {
       $this->user = $user;
   }

   /**
    * Build the message.
    *
    * @return $this
    */
   public function build()
   {
       return $this->markdown('candidates.mail.approved')
           ->subject('Approved to join Employbl 👍');
   }
}

Full tutorial here: https://employbl.com/blog/user-approval-laravel-artisan-welcome-email