Update Custom Field after Gravity Form Submission

functions.php

<?php /* *** Change form id on next line *** */
add_action( 'gform_after_submission_10', 'update_wdi_approved', 10, 2 );
function update_wdi_approved( $entry, $form ) {

/* *** Get the field result *** */
  $get_title = rgar($entry,'1');
  $get_wdi_date = rgar($entry,'2');

/* *** Get the custom post type 'clip_order' id  *** */
  $orderid = get_page_by_title($get_title,'OBJECT','clip_order');

 /* *** Update the custom field in that post *** */ 
  update_post_meta($orderid->ID,'wdi_approval_date',$get_wdi_date);
}