track-view-item-event-in-facebook.php

<?php
/**
 * Track ViewItem events in Facebook using the WooCommerce Pixel Manager
 
 * Add this to functions.php
 */
add_action('wp_footer', function (){
	?>
	<script>

		new Promise((resolve) => {
			(function waitForjQuery() {
				if (window.jQuery) return resolve()
				setTimeout(waitForjQuery, 100)
			})()
		}).then(()=>{
			jQuery(document).on("wpmCategory", function () {
				try {
					if (!wpmDataLayer?.pixels?.facebook?.loaded) return

					let eventId = wpm.getRandomEventId()

					fbq("trackCustom", "ViewCategory", {}, {
						eventID: eventId,
					})

					jQuery(document).trigger("wpmFbCapiEvent", {
						event_name      : "ViewCategory",
						event_id        : eventId,
						user_data       : wpm.getFbUserData(),
						event_source_url: window.location.href,
					})
				} catch (e) {
					console.error(e)
				}
			})
		})
		
	</script>
		<?php
});