Point of Sale Link Maker

Point of Sale Settings
Item	Value	Required?
Merchant ID:	You can find this on your My Account page. If you were logged in it would fill this in automatically.	Yes
Payment Description:		Yes
Initial Amount:		No
Allow User to Change Currency:		No
Custom Field: Could be used to track a particular register, employee, etc.		No

For a full list of fields and detailed information please check out the HTML POST Fields page.