diff --git a/xyz/openbmc_project/Inventory/Item/Chassis.interface.yaml b/xyz/openbmc_project/Inventory/Item/Chassis.interface.yaml
index 6542cc0..3320ea1 100644
--- a/xyz/openbmc_project/Inventory/Item/Chassis.interface.yaml
+++ b/xyz/openbmc_project/Inventory/Item/Chassis.interface.yaml
@@ -1,4 +1,10 @@
 description: >
     Implement to provide Chassis attributes.
 
+properties:
+    - name: Type
+      type: string
+      description: >
+          The type of physical form factor of the chassis.
+
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