public function checkUsersModel() {
        if (!$this->usersModel) {
            $this->setUsersModel($this->in('What is the name of your users model?'));
        }

        $this->out(sprintf('Users Model: <info>%s</info>', $this->usersModel));

        $answer = strtoupper($this->in('Is this correct?', array('Y', 'N')));

        if ($answer === 'N') {
            $this->usersModel = null;
            $this->checkUsersModel();
        }
    }