private function getEmail(): ? string
    {
        $email = $this->ask("Enter email address");

        $validator = Validator::make(['email' => $email], [
            'email' => 'required|min:3|email',
        ]);

        if ($validator->fails()) {
            $this->error('Email is required, minimum 3 symbols length and must be email format');

            return $this->getEmail();
        }

        $this->email = $email;

        return null;
    }