WP Job Manager execute custom code whenever featured listing is published (after payment, approval, or initial submission)

functions.php

<?php
add_action( 'publish_job_listing', 'smyles_featured_listing_do_something', 20, 2 );

// This is executed whenever a Job Listing status is set to publish (after payment, approval, or initial submission)
// also executes when an expired job is relisted.
function smyles_featured_listing_do_something( $ID, $post ){

  	$featured = get_post_meta( $ID, '_featured', true );

  	if( ! empty( $featured ) {
		
	  	// Listing is featured, execute some action, add your code below this line
	    
	  	// Add code to execute above this line
    }
	
}