Flexfields for Price List Header REST Endpoints
    
        Order Management/Price Lists/Flexfields for Price List Header
    
The Flexfields for Price List Header resource associates descriptive flexfield segments and its values with a price list.
- Create tier header flexfields
 - Method: postPath:
/fscmRestApi/resources/11.13.18.05/priceLists/{PriceListId}/child/headerDFF - Get all tier header flexfields
 - Method: getPath:
/fscmRestApi/resources/11.13.18.05/priceLists/{PriceListId}/child/headerDFF - Get one tier header flexfield
 - Method: getPath:
/fscmRestApi/resources/11.13.18.05/priceLists/{PriceListId}/child/headerDFF/{PriceListId2} - Update one tier header flexfield
 - Method: patchPath:
/fscmRestApi/resources/11.13.18.05/priceLists/{PriceListId}/child/headerDFF/{PriceListId2}