---
title: "Update custom field"
method: PATCH
path: "/v1/custom-fields/{fieldId}"
tags: ["Custom Fields"]
---

# Update custom field

`PATCH /v1/custom-fields/{fieldId}`

Update a custom field definition. The field type cannot be changed after creation.

## Path parameters

- `fieldId` string, required

## Request body

- object
  - `name` string
  - `options` string[]

## Response `200`

Custom field updated

- object
  - `success` boolean
  - `field` object
    - `id` string
    - `name` string
    - `slug` string
    - `type` string
    - `options` string[]

## Other responses

- `400` — Invalid fieldId or request body
- `401` — Unauthorized
- `404` — Resource not found

---

[API](https://skmtc.net/zernio/apis/zernio-api.md) · [All operations](https://skmtc.net/zernio/apis/zernio-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/zernio/zernio-api/versions/51932b099b2f/schema)