diff --git a/extra-properties-example.yaml b/extra-properties-example.yaml
new file mode 100644
index 0000000..09d9844
--- /dev/null
+++ b/extra-properties-example.yaml
@@ -0,0 +1,7 @@
+/system/bmc:
+    xyz.openbmc_project.Inventory.Decorator.Replaceable:
+        FieldReplaceable: 'false'
+
+/system/bmc/ethernet:
+    xyz.openbmc_project.Inventory.Decorator.Replaceable:
+        FieldReplaceable: 'false'