diff --git a/xyz/openbmc_project/Common.errors.yaml b/xyz/openbmc_project/Common.errors.yaml
new file mode 100644
index 0000000..3024682
--- /dev/null
+++ b/xyz/openbmc_project/Common.errors.yaml
@@ -0,0 +1,2 @@
+- name: Timeout
+  description: Operation timed out
diff --git a/xyz/openbmc_project/Common.metadata.yaml b/xyz/openbmc_project/Common.metadata.yaml
new file mode 100644
index 0000000..c4a651d
--- /dev/null
+++ b/xyz/openbmc_project/Common.metadata.yaml
@@ -0,0 +1,4 @@
+- name: Timeout
+  meta:
+    - str: "TIMEOUT_IN_MSEC=%llu"
+      type: uint64