---
title: "Changes to Stream objective events"
method: GET
path: "/v1/workspaces/{workspaceId}/objectives/{objectiveId}/events:stream"
---

# Changes to Stream objective events

`GET /v1/workspaces/{workspaceId}/objectives/{objectiveId}/events:stream`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 8 of 57 revisions.

- **2026-08-05** `ac1a7f084068` — 1 breaking, 1 info
- **2026-07-22** `cf00ce9538ec` — 1 info
- **2026-07-22** `1933c0d0512f` — 1 info
- **2026-07-19** `3ecc1debabfa` — 2 breaking, 18 warning, 1 info
- **2026-07-07** `63210c2f71dc` — 1 info
- **2026-07-06** `ca78d3d0b7c2` — 3 info
- **2026-07-03** `02498bf606f0` — 1 info
- **2026-07-02** `06e0e37c1499` — 1 info

## Changes

- **2026-08-05** `ac1a7f084068` — 1 breaking, 1 info
  - added `#/components/schemas/ObjectiveEventData_Reasoning` to the `data` response property `oneOf` list for the response status `200`
  - added `reasoning` discriminator mapping keys to the `data` response property for the response status `200`
- **2026-07-22** `cf00ce9538ec` — 1 info
  - added the optional property `startedAt` to the response with the `200` status
- **2026-07-22** `1933c0d0512f` — 1 info
  - added the optional property `duration` to the response with the `200` status
- **2026-07-19** `3ecc1debabfa` — 2 breaking, 18 warning, 1 info
  - added `#/components/schemas/ObjectiveEventData_UserMessage, #/components/schemas/ObjectiveEventData_ToolApprovalRequested, #/components/schemas/ObjectiveEventData_ToolApproved, #/components/schemas/ObjectiveEventData_ToolDenied, #/components/schemas/ObjectiveEventData_ToolCalled, #/components/schemas/ObjectiveEventData_Error, #/components/schemas/ObjectiveEventData_AssistantMessage, #/components/schemas/ObjectiveEventData_ToolResult, #/components/schemas/ObjectiveEventData_ToolError, #/components/schemas/ObjectiveEventData_ContextWindowCompacted, #/components/schemas/ObjectiveEventData_MemoryRead, #/components/schemas/ObjectiveEventData_Cancelled, #/components/schemas/ObjectiveEventData_SubAgentSpawned, #/components/schemas/ObjectiveEventData_SubAgentUpdated, #/components/schemas/ObjectiveEventData_Finalized, #/components/schemas/ObjectiveEventData_Notice, #/components/schemas/ObjectiveEventData_TimedOut` to the `data` response property `oneOf` list for the response status `200`
  - the `data` response's property type/format changed from `object`/`` to ``/`` for status `200`
  - removed the optional property `data/assistantMessage` from the response with the `200` status
  - removed the optional property `data/cancelled` from the response with the `200` status
  - removed the optional property `data/contextWindowCompacted` from the response with the `200` status
  - removed the optional property `data/error` from the response with the `200` status
  - removed the optional property `data/finalized` from the response with the `200` status
  - removed the optional property `data/memoryRead` from the response with the `200` status
  - removed the optional property `data/notice` from the response with the `200` status
  - removed the optional property `data/subAgentSpawned` from the response with the `200` status
  - removed the optional property `data/subAgentUpdated` from the response with the `200` status
  - removed the optional property `data/timedOut` from the response with the `200` status
  - removed the optional property `data/toolApprovalRequested` from the response with the `200` status
  - removed the optional property `data/toolApproved` from the response with the `200` status
  - removed the optional property `data/toolCalled` from the response with the `200` status
  - removed the optional property `data/toolDenied` from the response with the `200` status
  - removed the optional property `data/toolError` from the response with the `200` status
  - removed the optional property `data/toolResult` from the response with the `200` status
  - removed the optional property `data/type` from the response with the `200` status
  - removed the optional property `data/userMessage` from the response with the `200` status
  - added discriminator to `data` response property for the response status `200`
- **2026-07-07** `63210c2f71dc` — 1 info
  - added the optional property `data/timedOut` to the response with the `200` status
- **2026-07-06** `ca78d3d0b7c2` — 3 info
  - added the optional property `data/toolCalled/arguments` to the response with the `200` status
  - added the optional property `data/toolCalled/config` to the response with the `200` status
  - added the optional property `data/toolCalled/tool` to the response with the `200` status
- **2026-07-03** `02498bf606f0` — 1 info
  - added the optional property `data/notice` to the response with the `200` status
- **2026-07-02** `06e0e37c1499` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/cadenya/apis/cadenya-api/docs/v1/workspaces/:workspaceId/objectives/:objectiveId/events:stream/get.md) · [API](https://skmtc.dev/cadenya/apis/cadenya-api.md) · [Page](https://skmtc.dev/cadenya/apis/cadenya-api/changes/v1/workspaces/:workspaceId/objectives/:objectiveId/events:stream/get)