1 files changed, 6 insertions, 3 deletions
diff --git a/src/new_fields/CursorField.ts b/src/new_fields/CursorField.ts
index 1be1ec3e0..fd86031a8 100644
--- a/src/new_fields/CursorField.ts
+++ b/src/new_fields/CursorField.ts
@@ -1,7 +1,7 @@
 import { ObjectField } from "./ObjectField";
 import { observable } from "mobx";
 import { Deserializable } from "../client/util/SerializationHelper";
-import { serializable, createSimpleSchema, object } from "serializr";
+import { serializable, createSimpleSchema, object, date } from "serializr";
 import { OnUpdate, ToScriptString, Copy } from "./FieldSymbols";
 
 export type CursorPosition = {
@@ -11,7 +11,8 @@ export type CursorPosition = {
 
 export type CursorMetadata = {
     id: string,
-    identifier: string
+    identifier: string,
+    timestamp: number
 };
 
 export type CursorData = {
@@ -26,7 +27,8 @@ const PositionSchema = createSimpleSchema({
 
 const MetadataSchema = createSimpleSchema({
     id: true,
-    identifier: true
+    identifier: true,
+    timestamp: true
 });
 
 const CursorSchema = createSimpleSchema({
@@ -47,6 +49,7 @@ export default class CursorField extends ObjectField {
 
     setPosition(position: CursorPosition) {
         this.data.position = position;
+        this.data.metadata.timestamp = Date.now();
         this[OnUpdate]();
     }