diff --git a/yaml/xyz/openbmc_project/Chassis/Intrusion.interface.yaml b/yaml/xyz/openbmc_project/Chassis/Intrusion.interface.yaml
index b2b5dfb..874103a 100644
--- a/yaml/xyz/openbmc_project/Chassis/Intrusion.interface.yaml
+++ b/yaml/xyz/openbmc_project/Chassis/Intrusion.interface.yaml
@@ -7,3 +7,21 @@
       description: >
           Status string of chassis intrusion detector. The value is defined in
           chassis redfish schema. Can be "Normal" or "HardwareIntrusion".
+    - name: Rearm
+      type: enum[self.RearmMode]
+      default: "Automatic"
+      description: >
+          Mode string of chassis intrusion detector. The value is defined in
+          chassis redfish schema. Can be "Automatic" or "Manual".
+
+enumerations:
+    - name: RearmMode
+      description: >
+          Methods to rearm the chassis intrusion status.
+      values:
+          - name: "Automatic"
+            description: >
+                Automatic Rearm method.
+          - name: "Manual"
+            description: >
+                Manual Rearm method.