OptinMonster Dynamic Text Replacement API - setCustomVariable

setcustomvariable.js

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