getcustomvariables.js

<script type="text/javascript">

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

		/**

		 * API method for retrieving all custom variables. Must be accessed via the Dtr object.

		 *

		 * @return object A JavaScript object with key/value pairs for custom variables.

		 */

		event.detail.Dtr.getCustomVariables();

	});

</script>