Flexfields for Purchase Orders REST Endpoints

Purchase Orders/Flexfields for Purchase Orders
The Flexfields for Purchase Orders resource manages additional details about purchase orders.
Get all descriptive flexfields
Method: get
Path: /fscmRestApi/resources/11.13.18.05/purchaseOrders/{purchaseOrdersUniqID}/child/DFF
Get one descriptive flexfield not supported
Method: get
Path: /fscmRestApi/resources/11.13.18.05/purchaseOrders/{purchaseOrdersUniqID}/child/DFF/{PoHeaderId}