The origin may not always be a sale or purchase line like with product kit. So such test must be extendable by other modules implicitly. This can be achieved by using the Function fields. Closes #15084 (grafted from 84761faccad43bc56a11a2e8bb8cf2977ba8e8db) --HG-- branch : 8.0
############### Purchase Module ############### The *Purchase Module* provides everything that is required to create and manage purchases made by the company. It adds the idea of a purchase to Tryton, and allows it to be tracked as it moves through various states from draft to done. It makes it easy to create supplier shipments for the purchase, and includes the ability to automatically create related supplier invoices. .. toctree:: :maxdepth: 2 usage/index design releases