This allows you to add your own settings or options to the feedback options of Helpful. Note that you need to add the HTML for the fields.

/**
 * Add custom field to feedback options.
 *
 * @param array $fields default fields.
 * @return array
 */
function custom_function( $fields ) {
  $fields[] = 'custom_field';
  return $fields;
}

add_filter( 'helpful_feedback_fields', 'custom_function' );

Further actions:

• add_action( ‘helpful_feedback_settings_before’ );
• add_action( ‘helpful_feedback_settings_after’ );