diff --git a/libs/event-emitter/src/models/timestamped.ts b/libs/event-emitter/src/models/timestamped.ts
new file mode 100644
index 0000000..48256f8
--- /dev/null
+++ b/libs/event-emitter/src/models/timestamped.ts
@@ -0,0 +1,3 @@
+export type Timestamped = {
+  _timestamp: number;
+};
diff --git a/libs/event-emitter/src/utils/timestamp-now-fill.ts b/libs/event-emitter/src/utils/timestamp-now-fill.ts
new file mode 100644
index 0000000..f1333b2
--- /dev/null
+++ b/libs/event-emitter/src/utils/timestamp-now-fill.ts
@@ -0,0 +1,8 @@
+import { Timestamped } from '../models/timestamped';
+
+export function TimestampNowFill<T>(obj: T): T & Timestamped {
+  const now = new Date().getDate();
+  const res: any = obj;
+  res._timestamp = now;
+  return res;
+}