jtsternberg

<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>

jtsternberg

<script type="text/javascript">
	document.addEventListener('om.Dtr.init', function(event) {
		/**
		 * API method for checking if a custom variable has been registered.
		 * Must be accessed via the Dtr object.
		 *
		 * @param string $key The custom variable key to check.
		 * @return bool       True if the custom variable exists, false otherwise.
		 */
		event.detail.Dtr.hasCustomVariable('foo');

jtsternberg

<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();
	});

jtsternberg

<script type="text/javascript">
	document.addEventListener('om.Dtr.init', function(event) {
		/**
		 * API method for deleting a custom variable. Must be accessed via the Dtr object.
		 *
		 * @param string $key The custom variable to delete.
		 * @return null
		 */
		event.detail.Dtr.deleteCustomVariable('foo');
	});