diff --git a/yaml/com/ibm/Dump/Create.interface.yaml b/yaml/com/ibm/Dump/Create.interface.yaml
index eca690e..c5cf772 100644
--- a/yaml/com/ibm/Dump/Create.interface.yaml
+++ b/yaml/com/ibm/Dump/Create.interface.yaml
@@ -25,6 +25,10 @@
         - name: 'DumpType'
           description: >
               Type of the dump to be collected
+        - name: 'FailingUnitId'
+          description: >
+              A unique id of failing hardware unit which is causing the dump.
+              The value should be a 32 bit unsigned integer.
 
     - name: DumpType
       description: >
@@ -34,3 +38,6 @@
           description: >
               Hostboot dump is collected during a boot failure during the
               hostboot booting phase.
+        - name: 'Hardware'
+          desription: >
+              Hardware dump is collected during a system checkstop.
diff --git a/yaml/com/ibm/Dump/Entry/Hardware.interface.yaml b/yaml/com/ibm/Dump/Entry/Hardware.interface.yaml
new file mode 100644
index 0000000..fd9ac4b
--- /dev/null
+++ b/yaml/com/ibm/Dump/Entry/Hardware.interface.yaml
@@ -0,0 +1,7 @@
+description: >
+    Implement this to add Hardware dump management.
+
+    Hardware dump is a collection hardware state information,
+    including various registers, and it is used for debugging
+    system checkstop. checkstop is the descriptive term for
+    entire system termination by the hardware due to a detected error.