An example of use the track_live_activity() function

track-live-activity-example.php

<?php

add_action( 'favorites_post', 'track_activity_when_post_is_favorited' );

/**
 * Tracks activity in Groundhogg when a user marks their post as favorite
 *
 * @param $post WP_Post
 *
 * @return void
 */
function track_activity_when_post_is_favorited( $post ) {
	\Groundhogg\track_live_activity( 'favorite_post', [
		'post_id' => $post->ID
	] );
}