public function get_field_names() {

		$names = array(
			'user_login',
			'user_login_confirm',
			'email_address',
			'email_address_confirm',
			'password',
			'password_confirm',
			'first_name',
			'last_name',
			'display_name',
			'llms_billing_address_1',
			'llms_billing_address_2',
			'llms_billing_city',
			'llms_billing_country',
			'llms_billing_state',
			'llms_billing_zip',
			'llms_phone',
		);

		/**
		 * Filters the list of field names used by LifterLMS forms
		 *
		 * @since 5.0.0
		 *
		 * @param string[] $names List of registered field names.
		 */
		return apply_filters( 'llms_forms_field_names', $names );

	}