diff --git a/OpenAPI/TS28312_IntentExpectations.yaml b/OpenAPI/TS28312_IntentExpectations.yaml
index d1279f2b4040ef6962ec65c5355310bb67eb6f26..7b922fdbbaf5bbc1db445136b876a22a847ac789 100644
--- a/OpenAPI/TS28312_IntentExpectations.yaml
+++ b/OpenAPI/TS28312_IntentExpectations.yaml
@@ -328,6 +328,7 @@ components:
             oneOf:
               - $ref: "#/components/schemas/MaintenanceVersionContext"
               - $ref: "#/components/schemas/MaintenanceOrderContext"
+              - $ref: "#/components/schemas/MaintenanceTypeContext"              
               - $ref: "#/components/schemas/NfTypeContext"
               - $ref: "#/components/schemas/NfInstanceLocationContext"
               - $ref: "#/components/schemas/PLMNContext"
@@ -1357,6 +1358,27 @@ components:
           type: array
           items:
             type: string
+    MaintenanceTypeContext:
+      description: >-
+        This data type is the "ObjectContext" data type with specialisations for MaintenanceTypeContext. It describes the type of maintenance expected for the maintenance object.
+      type: object
+      properties:
+        contextAttribute:
+          type: string
+          enum:
+            - maintenanceType
+        contextCondition:
+          type: string
+          enum:
+            - IS_EQUAL_TO
+        contextValueRange:
+          type: array
+          uniqueItems: true
+          items:
+            type: string
+            enum:
+              - UPGRADE
+              - DOWNGRADE
    #-------Definition of the scenario specific  ObjectTarget dataType----------------#
    
    #-------Definition of the concrete ExpectationContext dataType----------------#