Located in: product-template.php
Version Introduced: 3.8
Description: This template tag is used to print the variation group form id, you would mostly want to use this for printing form labels and IDS.
This function must be used within the variation group loop.
Used within the loop
<?php while (wpsc_have_variation_groups()) : wpsc_the_variation_group(); ?>
<tr><td class="col1"><label for="<?php echo wpsc_vargrp_form_id(); ?>"><?php echo wpsc_the_vargrp_name(); ?>:</label></td>