diff --git a/OpenAPI/TS28532_ProvMnS.yaml b/OpenAPI/TS28532_ProvMnS.yaml
index 1d7a592ed5fe4d8358c827afa9cd9168a828f64a..7b087b23698122b85df5dcf6c03af26c5dbc9c30 100755
--- a/OpenAPI/TS28532_ProvMnS.yaml
+++ b/OpenAPI/TS28532_ProvMnS.yaml
@@ -237,6 +237,14 @@ paths:
             application/json:
               schema:
                 $ref: '#/components/schemas/Resource'
+            application/vnd.3gpp.object-tree-hierarchical+json:
+              schema:
+                $ref: '#/components/schemas/Resource'
+            application/vnd.3gpp.object-tree-flat+json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/Resource'
         default:
           description: Error case.
           content: