diff --git a/yaml/com/ibm/ipzvpd/VSBK.interface.yaml b/yaml/com/ibm/ipzvpd/VSBK.interface.yaml
index 79c34fdb..6ef95ca1 100644
--- a/yaml/com/ibm/ipzvpd/VSBK.interface.yaml
+++ b/yaml/com/ibm/ipzvpd/VSBK.interface.yaml
@@ -65,3 +65,11 @@ properties:
       type: array[byte]
       description: >
           F6 keyword.
+    - name: D1
+      type: array[byte]
+      description: >
+          D1 keyword.
+    - name: F0
+      type: array[byte]
+      description: >
+          F0 keyword.