Flexfields for Discount List Rules REST Endpoints

Order Management/Discount Lists/Discount List Items/Discount List Tiered Rules/Flexfields for Discount List Rules
The Flexfields for Discount List Rules resource associates descriptive flexfield segments and its values to a discount list rule.
Create rule flexfields
Method: post
Path: /fscmRestApi/resources/11.13.18.05/discountLists/{DiscountListId}/child/items/{DiscountListItemId}/child/tieredRules/{PricingTermId}/child/rulesDFF
Get all rule flexfields
Method: get
Path: /fscmRestApi/resources/11.13.18.05/discountLists/{DiscountListId}/child/items/{DiscountListItemId}/child/tieredRules/{PricingTermId}/child/rulesDFF
Get one rule flexfield
Method: get
Path: /fscmRestApi/resources/11.13.18.05/discountLists/{DiscountListId}/child/items/{DiscountListItemId}/child/tieredRules/{PricingTermId}/child/rulesDFF/{PricingTermId6}
Update one rule flexfield
Method: patch
Path: /fscmRestApi/resources/11.13.18.05/discountLists/{DiscountListId}/child/items/{DiscountListItemId}/child/tieredRules/{PricingTermId}/child/rulesDFF/{PricingTermId6}