diff --git a/errs/error_code.go b/errs/error_code.go
new file mode 100644
index 0000000..7df57c3
--- /dev/null
+++ b/errs/error_code.go
@@ -0,0 +1,7 @@
+package errs
+
+type ErrorCode uint32
+
+func (e ErrorCode) ToUint32() uint32 {
+	return uint32(e)
+}