If using WeDJ.com/Gigbuilder Merchant services - the following fields should automatically populate. Login to your CDG control panel if you must do it manually.
You must first authorize Gigbuilder for Square. Click the Authorize button and login to Square to automatically obtain your Personal Access Token
Secure Form provides a highly secure payment form which collects credit card information, checks card validity, but does not process the card. You'll receive a message when payment is made and can manually process the payment. Use this option if you have a swipe machine and would rather use that service.