Change Stream Logs

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Change Stream log events are created whenever a user opens or closes a stream of change events for a connected instance of MongoDB Atlas using the Watch API.

Log Format

Change Stream log entries have the following form:

   "arguments": [
      "collection": <collection>,
      "database": <database>,
      "filter": {
         "documentKey._id": {
            "$in": [
               "$oid": <uid>
      "useCompactEvents": <bool>
   "name": "watch",
   "service": "mongodb-atlas"

Function Call Location: <location>
Remote IP Address: <ip address>
SDK: <sdk>
Platform Version: <version>>


Field Description
Remote IP Address The IP Address that sent the request to MongoDB Realm. (e.g.
Platform Version The version of the platform that sent the request.

The SDK used to send the request. Potential values include any SDK. For a browser, this is <browser> <SDK version>.


This request came from the Realm Web SDK version 4.0.0 running on Mozilla Firefox:

SDK: firefox v4.0.0

This request came from the Realm Android SDK version 4.6.0 running on Android Marshmallow:

SDK: android v4.6.0
Function Call Location The data center in which the function was executed.