FOS\UserBundle\Model\UserInterface::getEmail PHP Method

    function getEmail();

 public function sendEmailMessage(UserInterface $user)
 {
     $template = $this->parameters['template']['new'];
     $url = $this->router->generate('fos_user_registration_confirm_email', ['token' => $user->getConfirmationToken(), 'email' => $user->getEmail()], true);
     $context = ['user' => $user, 'confirmationUrl' => $url];
     $this->sendMessage($template, $context, $this->parameters['from_email']['confirmation'], $user->getEmail());
 }