How to set the post slug (post name) when creating or editing a post

Created by Phil Kurth, Modified on Fri, 6 Sep at 2:28 PM by Phil Kurth

<?php
add_filter( 'af/form/editing/post_data', function ( $post_data, $form, $args ) {

  // Check if this is the correct form. If not, return the post data as is.
  if ( $form['key'] !== '{YOUR_FORM_KEY}' ) {
    return $post_data;
  }

  // Set the post excerpt
  $post_data['post_name'] = sanitize_title( $post_data['post_title'] );

  return $post_data;
}, 10, 3 );