protected function getAccountFields()
    {
        return array(
            Tag::ContractCode => array(
                'type' => 'text',
                'label' => $this->t('field_code'),
                'attributes' => array(
                    'required' => true,
                    'size' => 20,
                ),
            ),
            Tag::UserName => array(
                'type' => 'text',
                'label' => $this->t('field_username'),
                'attributes' => array(
                    'required' => true,
                    'size' => 20,
                ),
            ),
            Tag::Password => array(
                'type' => 'password',
                'label' => $this->t('field_password'),
                'attributes' => array(
                    'required' => true,
                    'size' => 20,
                ),
            ),
            Tag::EmailOnError => array(
                'type' => 'email',
                'label' => $this->t('field_emailonerror'),
                'description' => $this->t('desc_emailonerror'),
                'attributes' => array(
                    'required' => true,
                    'size' => 20,
                ),
            ),
        );
    }