EmailConfirmation.php

<?php
class EmailConfirmation
{
    public function __construct(
        UserRepositoryInterface $userRepository,
        TokenGeneraotorInterface $tokenGenerator,
        MailerInterface $mailer
    )
    {
        $this->userRepository = $userRepository;
        $this->tokenGenerator = $tokenGenerator;
        $this->mailer = $mailer;
    }

    public function execute(EmailConfirmCommand $confirmCommand) // DTO 
    {
        // some logic
    }
}