Required* not Working

I was able to get required validation working.

In /includes/GWAA_Display.php

Line 11, change to:

add_action( 'wpcf7_validate_gmautocomplete*', array($this, 'GWAA_products_validation_filter'), 10, 2 );

Line 80, change to:

<div class="wpcf7-form-control-wrap <?php echo sanitize_html_class( $tag->name )?>" data-name="<?php echo esc_attr( $tag->name ); ?>">

Line 209, change to:

public function GWAA_products_validation_filter( $result, $tag ){

Line 211, remove:

$tag = new WPCF7_Shortcode( $tag );