---
title: "Update custom fields data"
method: PATCH
path: "/position/custom-fields-data"
tags: ["CustomFields"]
---

# Update custom fields data

`PATCH /position/custom-fields-data`

Update custom fields data by pre employee id. *Important!* You must submit the data for ALL custom fields, not just those that have been updated; otherwise, data may be LOST.

## Request body

- object
  - `preEmployeeId` number, required
  - `customFields` object[], required — Custom field data creation or update
    - `id` string, required — Custom field id
    - `value` unknown, required

## Response `200`

Successful operation

- object
  - `customFields` object

## Other responses

- `400` — Bad request

---

[API](https://skmtc.net/gupy/apis/gupy-public-api.md) · [All operations](https://skmtc.net/gupy/apis/gupy-public-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/gupy/gupy-public-api/versions/3f26defa2a42/schema)