diff --git a/xyz/openbmc_project/State/Chassis.interface.yaml b/xyz/openbmc_project/State/Chassis.interface.yaml
new file mode 100644
index 0000000..42c8f71
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+++ b/xyz/openbmc_project/State/Chassis.interface.yaml
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+description:
+    Implement to provide the chassis power management
+
+properties:
+    - name: RequestedPowerTransition
+      type: enum[self.Transition]
+      default: 'Off'
+      description: >
+          The desired power transition to start on this chassis.
+          This will be preserved across AC power cycles of the BMC.
+
+    - name: CurrentPowerState
+      type: enum[self.PowerState]
+      description: >
+          A read-only property describing the current chassis power state.
+          A user can determine if a chassis is in transition by comparing
+          the CurrentPowerState and RequestedPowerTransition properties.
+
+enumerations:
+    - name: Transition
+      description: >
+        The desired power transition for the chassis
+      values:
+        - name: 'Off'
+          description: >
+            Chassis  power should be off
+        - name: 'On'
+          description: >
+            Chassis power should be on
+
+    - name: PowerState
+      description: >
+        The current state of the chassis power
+      values:
+        - name: 'Off'
+          description: >
+            Chassis power is off
+        - name: 'On'
+          description: >
+            Chassis power is on