---
search:
  tags:
    - administration
    - PUT
seo:
  description: >-
    Updates an existing task custom field. All… Reference for the PUT
    /administration/task-settings/custom-fields/{id} endpoint in the Leadtime
    Public API API.
sidebar:
  badge: PUT
  label: Update task custom field
title: Update task custom field
type: openapi-operation
---
Updates an existing task custom field. All fields are required - provide complete field configuration.

**What can be updated:**
- Field name and description
- Field type (note: changing type may affect existing data)
- Select options (for Select and MultiSelect types)
- Multilingual translations

**Important:** This is a full update - all fields must be provided. Use PATCH endpoints if you need partial updates (not available for custom fields).

<Operation source="api-reference" id="tasksettingscontroller-updatetaskcustomfield" />