diff --git a/org/open_power/OCC/PassThrough.errors.yaml b/org/open_power/OCC/PassThrough.errors.yaml
new file mode 100644
index 0000000..4be6325
--- /dev/null
+++ b/org/open_power/OCC/PassThrough.errors.yaml
@@ -0,0 +1,11 @@
+# org.open_power.OCC.PassThrough.OpenFailure
+- name: OpenFailure
+  description: Opening OCC device failed.
+
+# org.open_power.OCC.PassThrough.ReadFailure
+- name: ReadFailure
+  description: Reading from OCC failed.
+
+# org.open_power.OCC.PassThrough.WriteFailure
+- name: WriteFailure
+  description: Writing to OCC failed.
diff --git a/org/open_power/OCC/PassThrough.metadata.yaml b/org/open_power/OCC/PassThrough.metadata.yaml
new file mode 100644
index 0000000..0b1c4f5
--- /dev/null
+++ b/org/open_power/OCC/PassThrough.metadata.yaml
@@ -0,0 +1,11 @@
+- name: OpenFailure
+  inherits:
+      - xyz.openbmc_project.Common.Callout.Device
+
+- name: ReadFailure
+  inherits:
+      - xyz.openbmc_project.Common.Callout.Device
+
+- name: WriteFailure
+  inherits:
+      - xyz.openbmc_project.Common.Callout.Device