Flexfields for Initiatives REST Endpoints

Supplier Initiatives/Flexfields for Initiatives
The Flexfields for Initiatives resource gets the initiative descriptive flexfields.
Create one flexfield
Method: post
Path: /fscmRestApi/resources/11.13.18.05/supplierInitiatives/{InitiativeId}/child/DFF
GET action not supported
Method: get
Path: /fscmRestApi/resources/11.13.18.05/supplierInitiatives/{InitiativeId}/child/DFF/{InitiativeId2}
Get all flexfields
Method: get
Path: /fscmRestApi/resources/11.13.18.05/supplierInitiatives/{InitiativeId}/child/DFF