Track AddToCart event on Basel theme

snippet.php

<?php 

function sv_add_filter_for_conditional_add_to_cart_fragments() {
				
	// only make changes as long as Facebook for WooCommerce is installed 
	if ( function_exists( 'facebook_for_woocommerce' ) ) {
		
		$events_tracker = facebook_for_woocommerce()->get_integration()->events_tracker;
		$events_tracker->add_filter_for_conditional_add_to_cart_fragment();
	}
}

add_action( 'wp_ajax_nopriv_basel_ajax_add_to_cart', 'sv_add_filter_for_conditional_add_to_cart_fragments' );
add_action( 'wp_ajax_basel_ajax_add_to_cart', 'sv_add_filter_for_conditional_add_to_cart_fragments' );