diff --git a/OpenAPI/TS28623_ComDefs.yaml b/OpenAPI/TS28623_ComDefs.yaml
index b962d1032f47e37769bf31b3709346351b71fd59..c0a384b629acbedd813e4aee9c0f71680513e28a 100755
--- a/OpenAPI/TS28623_ComDefs.yaml
+++ b/OpenAPI/TS28623_ComDefs.yaml
@@ -82,11 +82,17 @@ components:
       type: array
       items:
         $ref: '#/components/schemas/GeoCoordinate'
-    GeoAreaToCellMapping:
+      minItems: 3
+    GeoArea:
       type: object
       properties:
         convexGeoPolygon:
           $ref: '#/components/schemas/ConvexGeoPolygon'
+    GeoAreaToCellMapping:
+      type: object
+      properties:
+        geoArea:
+          $ref: '#/components/schemas/GeoArea'
         associationThreshold:
           type: integer
     AreaOfInterest: