diff --git a/src/definitions/SOL002SOL003_def.yaml b/src/definitions/SOL002SOL003_def.yaml
index 2346fb0f28d4c2d87dc389f41390984f66a7eb11..300f9fcbf8fc8f99ed93b0f6ab776cdf3fe35d20 100644
--- a/src/definitions/SOL002SOL003_def.yaml
+++ b/src/definitions/SOL002SOL003_def.yaml
@@ -266,6 +266,31 @@ definitions:
         items:
           $ref: "#/definitions/ExtLinkPortData"
 
+  GrantedLcmOperationType:
+    description: >
+      The enumeration GrantedLcmOperationType defines the permitted values 
+      to represent VNF lifecycle operation types in grant requests.
+      Value | Description
+      ------|------------
+      INSTANTIATE | Represents the "Instantiate VNF" LCM operation.
+      SCALE | Represents the "Scale VNF" LCM operation.
+      SCALE_TO_LEVEL | Represents the "Scale VNF to Level" LCM operation.
+      CHANGE_FLAVOUR | Represents the "Change VNF Flavour" LCM operation.
+      TERMINATE | Represents the "Terminate VNF" LCM operation.
+      HEAL | Represents the "Heal VNF" LCM operation.
+      OPERATE | Represents the "Operate VNF" LCM operation.
+      CHANGE_EXT_CONN | Represents the "Change external VNF connectivity" LCM operation.     
+    type: string
+    enum:
+      - INSTANTIATE
+      - SCALE
+      - SCALE_TO_LEVEL
+      - CHANGE_FLAVOUR
+      - TERMINATE
+      - HEAL
+      - OPERATE
+      - CHANGE_EXT_CONN
+
   Identifier:
     description: >
       An identifier with the intention of being globally unique.