eventespresso / event-espresso-core

		$templates = array();

		$GRP_ID = !empty( $this->_req_data['GRP_ID'] ) ? $this->_req_data['GRP_ID'] : 0;

		//we need to make sure we've got the info we need.

		if ( ! isset( $this->_req_data['msgr'], $this->_req_data['mt'], $this->_req_data['GRP_ID'] ) ) {

			EE_Error::add_error(

				__(

					'In order to reset the template to its default we require the messenger, message type, and message template GRP_ID to know what is being reset.  At least one of these is missing.',

					'event_espresso'

				),

				__FILE__, __FUNCTION__, __LINE__

			);

		}

		// all templates will be reset to whatever the defaults are

		// for the global template matching the messenger and message type.

	 */

	public function _preview_message( $send = false ) {

		//first make sure we've got the necessary parameters

		if (

			! isset(

				$this->_req_data['message_type'],

				$this->_req_data['messenger'],

				$this->_req_data['messenger'],

				$this->_req_data['GRP_ID']

			)

		) {

			EE_Error::add_error(

				__('Missing necessary parameters for displaying preview', 'event_espresso'),

				__FILE__, __FUNCTION__, __LINE__

			);

		}

		EE_Registry::instance()->REQ->set( 'GRP_ID', $this->_req_data['GRP_ID'] );

	 *

	 */

	public function save_settings() {

		if ( !isset( $this->_req_data['type'] ) ) {

			EE_Error::add_error(__('Cannot save settings because type is unknown (messenger settings or messsage type settings?)', 'event_espresso'), __FILE__, __FUNCTION__, __LINE__ );

			$this->_template_args['error'] = true;

			$this->_return_json();

		}

		if ( $this->_req_data['type'] == 'messenger' ) {