Update task custom field

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).

PUT/administration/task-settings/custom-fields/{id}

Authorization

AuthorizationOAuth2 access token · headerrequired

Scopes:api:write

AuthorizationBearer token (JWT) · headerrequired

Path parameters

idstringrequired

Query parameters

fieldsToReturnstring

Comma-separated list of top-level response fields to return. Overrides the endpoint compact default unless responseShape=full is used.

responseShapestring

Advanced override. Omit for the endpoint compact default. Use full only when you need the complete endpoint response, including nested fields that are not selectable with fieldsToReturn.

Allowed:compactfull

Header parameters

LT-Response-Shapestring

Advanced override. Set to full only when you need the complete endpoint response, including nested fields that are not selectable with fieldsToReturn.

Allowed:full

Request body

requiredapplication/json

descriptionstringrequired

Default custom field description (used as fallback when no translation exists for user's language)

idstring

Custom field ID (optional, taken from URL)

namestringrequired

Default custom field name (used as fallback when no translation exists for user's language)

selectOptionsFieldOptionDto[]required

Select options (required for Select and MultiSelect types)

Show properties

Array of FieldOptionDto

idobject

Option ID

translationsCustomFieldTranslationDto[]required

Language-specific translations for this option. Overrides the default value when user's language matches.

Show properties

Array of CustomFieldTranslationDto

languagestringrequired

Language code following ISO 639-1 format (e.g., "en", "de", "fr")

namestringrequired

Translated name for this language. Overrides the default name when user's language matches.

valuestringrequired

Default option value (used as fallback when no translation exists for user's language)

translationsCustomFieldTranslationDto[]required

Language-specific translations for field name. Overrides the default name when user's language matches.

Show properties

Array of CustomFieldTranslationDto

languagestringrequired

Language code following ISO 639-1 format (e.g., "en", "de", "fr")

namestringrequired

Translated name for this language. Overrides the default name when user's language matches.

translationsDescriptionsCustomFieldTranslationDto[]required

Language-specific translations for field description. Overrides the default description when user's language matches.

Show properties

Array of CustomFieldTranslationDto

languagestringrequired

Language code following ISO 639-1 format (e.g., "en", "de", "fr")

namestringrequired

Translated name for this language. Overrides the default name when user's language matches.

typestringrequired

Custom field type

Allowed:TextTextareaNumberDateCheckboxSelectMultiSelectCurrencyUrl

Responses

200Task custom field updated successfully

descriptionobject | nullrequired

Default custom field description (used as fallback when no translation exists for user's language)

entitystringrequired

Entity type (always Task for task custom fields)

Allowed:TaskProjectOrganizationObject

idstringrequired

Custom field ID

namestringrequired

Default custom field name (used as fallback when no translation exists for user's language)

selectOptionsFieldOptionDto[]required

Select options with their translations. Each option has a default value and language-specific overrides.

Show properties

Array of FieldOptionDto

idobject

Option ID

translationsCustomFieldTranslationDto[]required

Language-specific translations for this option. Overrides the default value when user's language matches.

Show properties

Array of CustomFieldTranslationDto

languagestringrequired

Language code following ISO 639-1 format (e.g., "en", "de", "fr")

namestringrequired

Translated name for this language. Overrides the default name when user's language matches.

valuestringrequired

Default option value (used as fallback when no translation exists for user's language)

sortnumberrequired

Sort order

translationsCustomFieldTranslationDto[]required

Language-specific translations for field name. Overrides the default name when user's language matches.

Show properties

Array of CustomFieldTranslationDto

languagestringrequired

Language code following ISO 639-1 format (e.g., "en", "de", "fr")

namestringrequired

Translated name for this language. Overrides the default name when user's language matches.

typestringrequired

Custom field type

Allowed:TextTextareaNumberDateCheckboxSelectMultiSelectCurrencyUrl

401Unauthorized - Invalid or missing authentication token

403Forbidden - Insufficient API scopes or permissions

Request

curl -X PUT "https://leadtime.app/api/public/administration/task-settings/custom-fields/string" \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
  "description": "Task priority level",
  "id": "123e4567-e89b-12d3-a456-426614174000",
  "name": "Priority",
  "selectOptions": [
    {
      "id": "1",
      "translations": [
        {
          "language": "en",
          "name": "Priority"
        }
      ],
      "value": "High"
    }
  ],
  "translations": [
    {
      "language": "en",
      "name": "Priority"
    }
  ],
  "translationsDescriptions": [
    {
      "language": "en",
      "name": "Priority"
    }
  ],
  "type": "Select"
}'

const response = await fetch("https://leadtime.app/api/public/administration/task-settings/custom-fields/string", {
  method: "PUT",
  headers: {
    "Authorization": "Bearer YOUR_ACCESS_TOKEN",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
  "description": "Task priority level",
  "id": "123e4567-e89b-12d3-a456-426614174000",
  "name": "Priority",
  "selectOptions": [
    {
      "id": "1",
      "translations": [
        {
          "language": "en",
          "name": "Priority"
        }
      ],
      "value": "High"
    }
  ],
  "translations": [
    {
      "language": "en",
      "name": "Priority"
    }
  ],
  "translationsDescriptions": [
    {
      "language": "en",
      "name": "Priority"
    }
  ],
  "type": "Select"
})
});

import requests

response = requests.put(
    "https://leadtime.app/api/public/administration/task-settings/custom-fields/string",
    headers={
        "Authorization": "Bearer YOUR_ACCESS_TOKEN",
        "Content-Type": "application/json"
    },
    json={
  "description": "Task priority level",
  "id": "123e4567-e89b-12d3-a456-426614174000",
  "name": "Priority",
  "selectOptions": [
    {
      "id": "1",
      "translations": [
        {
          "language": "en",
          "name": "Priority"
        }
      ],
      "value": "High"
    }
  ],
  "translations": [
    {
      "language": "en",
      "name": "Priority"
    }
  ],
  "translationsDescriptions": [
    {
      "language": "en",
      "name": "Priority"
    }
  ],
  "type": "Select"
},
)

Response

{
  "description": "Task priority level",
  "entity": "Task",
  "id": "123e4567-e89b-12d3-a456-426614174000",
  "name": "Priority",
  "selectOptions": [
    {
      "id": "1",
      "translations": [
        {
          "language": "en",
          "name": "Priority"
        }
      ],
      "value": "High"
    }
  ],
  "sort": 1,
  "translations": [
    {
      "language": "en",
      "name": "Priority"
    }
  ],
  "type": "Select"
}