Add Event snippet for [HB] Compra General conversion page

functions.php

/* 
* How to add the custome code. 
* 
* Please follow below instructions:
* 1. Copy the below code.
* 2. Open your child theme's functions.php file.
* 3. Paste the copied code at the very bottom of it & save the file OR upload it on your server/hosting.
*/

add_action( 'wp_head', 'pp_add_event_code_in_head' );

function pp_add_event_code_in_head(){
	
	global $post;
	
	$head_code = '';
 	
 	if( 'cartflows_step' === $post->post_type ){

 		$step_type = get_post_meta( $post->ID, 'wcf-step-type', true );

 		if ( 'thankyou' === $step_type && isset( $_GET['wcf-order'] ) && ! empty( $_GET['wcf-order'] ) ) {
			
			$order_id = filter_input( INPUT_GET, 'wcf-order', FILTER_SANITIZE_NUMBER_INT );
			$order = wc_get_order( $order_id );

 			$amount = $order->get_total();
 			
 			$head_code = "
			<!-- Event snippet for [HB] Compra General conversion page -->
			<script>
			  gtag('event', 'conversion', {
			      'send_to': 'AW-813381707/NCcqCIzr5s0BEMvw7IMD',
			      'value': {{ ". $amount ." }},
			      'currency': EUR',
			      'transaction_id': '{{ ". $order_id ." }}'
			  });
			</script>
			";
 		}
 	}
 	
 	echo $head_code;
}