hascustomvariables.js

<script type="text/javascript">

	document.addEventListener('om.Dtr.init', function(event) {

		/**

		 * API method for checking whether there are any custom variables set.

		 * Must be accessed via the Dtr object.

		 *

		 * @return bool True if any custom variable has been registered, false otherwise.

		 */

		event.detail.Dtr.hasCustomVariables();

	});

</script>