diff --git a/xyz/openbmc_project/Error/Callout/IPMISensor.errors.yaml b/xyz/openbmc_project/Error/Callout/IPMISensor.errors.yaml
new file mode 100644
index 0000000..ced9eae
--- /dev/null
+++ b/xyz/openbmc_project/Error/Callout/IPMISensor.errors.yaml
@@ -0,0 +1,3 @@
+#xyz.openbmc_project.Error.Callout.IPMISensor
+- name: IPMISensor
+  description: Callout IPMI sensor
diff --git a/xyz/openbmc_project/Error/Callout/IPMISensor.metadata.yaml b/xyz/openbmc_project/Error/Callout/IPMISensor.metadata.yaml
new file mode 100644
index 0000000..714f021
--- /dev/null
+++ b/xyz/openbmc_project/Error/Callout/IPMISensor.metadata.yaml
@@ -0,0 +1,4 @@
+- name: IPMISensor
+  meta:
+    - str: "CALLOUT_IPMI_SENSOR_NUM=%u"
+      type: uint32