Virtuemart-2-make-custom-fields-required

How can I make a VirtueMart custom field required?

Thanks to Virtuemart, you can quite easily setup an eCommerce website using Joomla as the driving force behind your new website venture. VirtueMart does not come with the ability to prevent an item from being added to the shopping cart, based on the virtuemart professional  double checkbuyer entering information into the required Custom Field/ Product Attribute.
The “Required Custom Field” plugin for Virtuemart simply solves this problem!

You can choose to have every Custom Field, or specific Fields, required before the product or service you are selling can be added to the shopping cart. This is the professional choice to guide your buyers to order correctly, and to prevent wasted time in requesting missing order details from your clients.