openstack cdn services operations
diff --git a/openstack/cdn/v1/services/errors.go b/openstack/cdn/v1/services/errors.go
new file mode 100644
index 0000000..359584c
--- /dev/null
+++ b/openstack/cdn/v1/services/errors.go
@@ -0,0 +1,7 @@
+package services
+
+import "fmt"
+
+func no(str string) error {
+	return fmt.Errorf("Required parameter %s not provided", str)
+}