Display User ID field with display name and ID in Lookup Field
add_filter( ‘frm_filtered_lookup_options’, ‘change_lookup_options’, 10, 2 ); function change_lookup_options( $options, $args ) { if ( $args[‘field’]->id == 808) { // change 808 to the id of the user ID field from the other form foreach ( $options as $k => $option…Continue reading