Submit a form and save data to custom post type in woocommerce

I am wondering how can I send the data submit in WS FORM to a tab in WooCommerce Frontend Manager the tab have his own php but the site is multivendor.

wsform gave this action config im triyng using Push to Custom Endpoint: http://localhost/vendor/tabpage.php and requested method:post

<?php 

$ vendor_id = $ store_user->get_id(); $ $ wcfm_modified_endpoints= get_user_meta( $ vendor_id, ‘wcfm_endpoints’, true ); ?>

echo do_shortcode( ‘[wcfm_store_info data="ws_form id="2"]’ );