---
title: "Update a custom field"
method: PUT
path: "/custom_field_values/{custom_field_value_id}"
tags: ["custom_fields"]
---

# Update a custom field

`PUT /custom_field_values/{custom_field_value_id}`

Update the matching custom field.

## Headers

- `Accept` 'application/json', required

## Request body

- object
  - `data` object, required
    - `attributes` object, required
      - `value` string

## Response `200`

The updated custom field.

- object
  - `data` CustomFieldValue[], required
    - `id` string, required — Unique identifier for the resource instance.
    - `type` 'custom_field_values', required — The type of the resource.
    - `attributes` CustomFieldValueAttributes, required
      - `key` string — A key name.
      - `value` string — The value for the key.

## Other responses

- `default` — Generic error payload

---

[API](https://skmtc.dev/smartsheet/apis/brandfolder-openapi-reference.md) · [All operations](https://skmtc.dev/smartsheet/apis/brandfolder-openapi-reference/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/smartsheet/brandfolder-openapi-reference/revisions/fd95b0a2d2f8/schema)