diff --git a/org/open_power/Host.metadata.yaml b/org/open_power/Host.metadata.yaml
new file mode 100644
index 0000000..8fd8870
--- /dev/null
+++ b/org/open_power/Host.metadata.yaml
@@ -0,0 +1,15 @@
+- name: Event
+  level: ERR
+  meta:
+    - str: "ESEL=%s"
+      type: string
+  inherits:
+    - xyz.openbmc_project.Common.Callout.Inventory
+
+- name: MaintenanceProcedure
+  level: ERR
+  meta:
+    - str: "ESEL=%s"
+      type: string
+  inherits:
+    - org.open_power.Common.Callout.Procedure