[own_shortcode1] add_action( 'voxel/app-events/post-types/events/post:submitted', 'update_events_featured_image' ); add_action( 'voxel/app-events/post-types/events/post:updated', 'update_events_featured_image' ); function update_events_featured_image( $event ) { $post = $event->post; // Check if it's an events post if ( $post->post_type->get_key() !== 'events' ) { return; } // Get the related post ID from the post-relation field $relation_id = $post->get_field('post-relation')->get_value()[0] ?? null; if ( $relation_id && is_numeric( $relation_id ) ) { // Get the featured image attachment ID from the related post $thumbnail_id = get_post_meta( $relation_id, '_thumbnail_id', true ); if ( $thumbnail_id && is_numeric( $thumbnail_id ) ) { // Update the events post's featured image with the attachment ID update_post_meta( $post->get_id(), '_thumbnail_id', (int) $thumbnail_id ); } } }