add sender to laravel Mailable build method

ExampleMail.php

<?php

namespace App\Mail;

use Illuminate\Bus\Queueable;
use Illuminate\Mail\Mailable;
use Illuminate\Queue\SerializesModels;
use Illuminate\Contracts\Queue\ShouldQueue;

class ExampleMail extends Mailable
{
    use Queueable, SerializesModels;
  
    /**
     * Create a new message instance.
     *
     * @return void
     */
    public function __construct($msg)
    {
        $this->msg = $msg;
    }

    /**
     * Build the message.
     *
     * @return $this
     */
    public function build()
    {
      
        $this->withSwiftMessage(function ($message) {
            //to avoid message of 'behalf of' keep both sender and from details exactly as same
            $message->setSender('contact@example.com','contact');
            $message->setFrom('contact@example.com', 'contact');
        });

         return $this->subject('Example Email')->view('mails.example_mail_view');

    }
}