JetFormBuilder Update post via Call Hook action

code.php

<?php

add_action( 'jet-form-builder/custom-action/update-current-post', function ( $request, $handler ) {

    $post_id = $request['post_id'] ?? 0;
  
    if ( ! $post_id ) {
      return;
    }

    $rooms_new_number = $request['_form_field_1'] ?? null;
  
    if ( ! isset( $rooms_new_number ) ) {
      return;
    }

    update_post_meta( $post_id, "_rooms", $rooms_new_number );

}, 10, 2 );