Set custom map icon for featured listings in Listify WordPress theme (for WP Job Manager)

functions.php

<?php

add_filter( 'listify_listing_data', 'smyles_custom_featured_listing_map_icon', 50, 2 );
	   
function smyles_custom_featured_listing_map_icon( $data, $post ){
	// Make sure passed $post is WP_Post object
  	if( $post instanceof WP_Post ){
		// If listing is featured listing, change icon
	  	if( ! empty( $post->_featured ) ){
			// Set the icon to use below (@see http://ionicons.com/)
		 	$data['icon'] = 'ion-thumbsup';
			
			// Set to "smyles-featured" to use custom CSS (see comments below)
			$data['term'] = 'smyles-featured';
		}
	}
 
	return $data;
}

To customize the color of the icons, add this CSS code to your child theme's CSS and customize to your color of choice:

/* icon color */
.map-marker.type-smyles-featured i:before {
	color: red;
}

/* Marker color */
.map-marker.type-smyles-featured i:after { 
	background-color: red; 
}

/* Marker color */
.map-marker.type-smyles-featured:after { 
	border-top-color: red;
}