Event ID 100 — Task Scheduler started "UserContext" instance of the "Name" task for user "TaskName".

{
  "system": {
    "provider": "Microsoft-Windows-TaskScheduler",
    "guid": "DE7B24EA-73C8-4A09-985D-5BDADCFA9017",
    "event_source_name": "",
    "event_id": 100,
    "version": 0,
    "level": 4,
    "task": 100,
    "opcode": 1,
    "keywords": 9223372036854775809,
    "time_created": "2023-11-06T02:00:01.374223+00:00",
    "event_record_id": 1052,
    "correlation": {
      "ActivityID": "99F1DF4D-A460-47A9-93D3-3FF029F93E31"
    },
    "execution": {
      "process_id": 1392,
      "thread_id": 18152
    },
    "channel": "Microsoft-Windows-TaskScheduler/Operational",
    "computer": "WinDev2310Eval",
    "security": {
      "user_id": "S-1-5-18"
    }
  },
  "event_data": {
    "Name": "TaskStartEvent",
    "TaskName": "\\Microsoft\\Windows\\Customer Experience Improvement Program\\Consolidator",
    "UserContext": "NT AUTHORITY\\SYSTEM",
    "InstanceId": "99F1DF4D-A460-47A9-93D3-3FF029F93E31"
  },
  "message": ""
}