An example of how to import custom fields (in this case a subtitle) during with the ActiveTickets import, using the Theater for Wordpress plugin. You can show the subtitle in your listings like this: `[wpt_events]{{title|permalink}}{{subtitle}}[/wpt_events].

wpt_activetickets_subtitle_field.php

<?php

/**
 * Adds the subtitle ActiveTickets field to a production on import.
 * 
 * You can show the subtitle in your listings like this: 
 * [wpt_events]{{title|permalink}}{{subtitle}}[/wpt_events]
 * 
 * You can add the subtitle to your template like this:
 * $production = new WPT_Production();
 * echo $production->custom('subtitle');
 * 
 * @param	WPT_Production	$production		The production.
 * @param	object		$activetickets_program  The production data coming from the ActiveTickets feed.
 * @return	void
 */
function add_activetickets_subtitle_to_production($production, $activetickets_program) {
	$subtitle = (string) $activetickets_program->SubTitle;
	if (!empty($subtitle)) {
		update_post_meta($production->ID, 'subtitle', $subtitle);
	}
}
add_filter('wpt_activetickets_import/create_production', 'add_activetickets_subtitle_to_production', 10 ,2);