diff --git a/src/handler/sern.ts b/src/handler/sern.ts
index 5653090..3e3a628 100644
--- a/src/handler/sern.ts
+++ b/src/handler/sern.ts
@@ -47,6 +47,7 @@ export function init(wrapper: Wrapper) {
  *     // events/level.ts
  *      export default eventModule({
  *          emitter: 'Level',
+ *          type : EventType.External,
  *          name: 'error',
  *          execute(args) {
  *              console.log(args)