Links
Comment on page

User meta

In file Shortcodes.php, add your user meta shortcode list
In the collectOrderData function add this code along with the shortcode name added above
Add this code like below $shortcode['[yaymail_user_meta_fpso]'] = get_user_meta( $user_data->ID, 'fpso', true); - 1 : is the meta key of the user meta