---
title: "Patch Process Lineage"
method: PATCH
path: "/api/processes/{process_id}/conversations/{session_id}/lineage"
---

# Patch Process Lineage

`PATCH /api/processes/{process_id}/conversations/{session_id}/lineage`

## Request

- Base URL: `https://api.omicos.cn` (the document declares no server; this is the origin it was published from)
- URL: `https://api.omicos.cn/api/processes/{process_id}/conversations/{session_id}/lineage`
- Auth: none declared

Detach a child conversation from its parent (`{"detach": true}`).

## Path parameters

- `process_id` string, required
- `session_id` string, required

## Headers

- `authorization` string, nullable
- `x-omicos-device` string, nullable
- `x-omicos-device-kind` string, nullable
- `x-omicos-device-name` string, nullable

## Response `200`

Successful Response

- object

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-21** `ef3006b6f052`: 3 info
  - added the new optional `header` request parameter `x-omicos-device`
  - added the new optional `header` request parameter `x-omicos-device-kind`
  - added the new optional `header` request parameter `x-omicos-device-name`
- **2026-10-18** `57336e6c72d5`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/omicos/apis/omicos-server/changes/api/processes/:process_id/conversations/:session_id/lineage/patch.md)

---

[API](https://skmtc.dev/omicos/apis/omicos-server.md) · [All operations](https://skmtc.dev/omicos/apis/omicos-server/llms.txt) · [OpenAPI document](https://skmtc.dev/omicos/apis/omicos-server/revisions/42ce180a8cda?raw)