You can also use the register in the Purchase Order module, named Purchase Quotation Requests. You can create this request record and then convert it into an actual purchase order when confirmed from the Create menu.
I would like to know what BackgroundHALShouldPause does, and how to use it. While it's listed in the HAL Primitives report, it is not used in source code and it doesn't appear in the LMS HAL...