---
title: REST API - Update Custom Choice-Property Type Request
slug: rm/rest-api-update-custom-choice-property-type-request
docTags: 
createdAt: 2026-06-09T13:38:46.923Z
---

```bash
/api/v1/projects/{projectId}/metadata/choicePropertyTypes
```

# Description

Updates the custom (project-level) choice-type property, including custom property name, valid values, and default value.

# URL Structure

```bash
[Blueprint_URI]/api/v1/projects/{ProjectId}/metadata/choicePropertyTypes
```

- `ProjectId`: The ID of the project that contains the custom property you want to update or create.

# Supported Methods

- [PATCH](docId\:RcjvHRLbY6de-zGKeHxuI)

:::hint{type="info"}
You can [override the PATCH](docId\:RcjvHRLbY6de-zGKeHxuI) method and use the [POST](docId\:Hsi_LzXS8g_RX_ydUdZKg) method instead.
:::

# Request Body

The list of artifacts that you want to publish must be included in the body of the request. Read more about how to [specify a list of artifacts in the request body](docId:5Qd6-FuzDOthy7-MRc1T1).

# Blueprint Result Codes

Your response may contain `ResultCode` and `Message` parameters if your request involves changes to Blueprint data. These parameters provide detailed information about the result of your request.

- 200 (OK)
  - The artifact updated successfully.
- 400 (Bad Request)
- 403: Forbidden
  - The applicable permissions are needed. For example, this error can occur when:
    - An Author or Collaborate license is needed for access.
    - Comment permissions are needed on the artifact.
    - Edit permissions are needed on the change summary job.
- 404 (Not Found)
  - Artifact not found in the project.
  - Artifact type not found.

# HTTP Status Codes

- 200: OK
- 201: Successfully Created
- 206: Partial Content
- 400: Bad Request
  This error can occur for a variety of reasons:
  - At least one URI or request body parameter is invalid, such as one of the [Filter](docId\:Sv9GjVErxCZcgqdn28J7U), Traces, Offset or Limit parameters.
  - A required value has not been provided.
  - If you are submitting a [POST](docId\:Hsi_LzXS8g_RX_ydUdZKg) or [PATCH](docId\:RcjvHRLbY6de-zGKeHxuI) request and have not added the `X-HTTP-Method-Override` parameter to your request header.
- 401: Unauthorized
  - The Blueprint token is missing, invalid or expired.
- 403: Forbidden
  - The applicable permissions are needed. For example, this error can occur when:
    - An Author or Collaborate license is needed for access.
    - Comment permissions are needed on the artifact.
    - Edit permissions are needed on the change summary job.
- 404: NotFound
  - Item is not found in the project. For example, this error can occur when:
    - Artifact not found.
    - Artifact type not found.
    - Project not found.
    - ALM target not found.
    - Change summary job not found.
    - User does not have edit permissions for this artifact, project or ALM target.
- 409: Conflict
  - Reason for failure can be found in the response body. Additional information may also be found in the log.
- 411: Length Required
  - If the Content-Length header is missing in the request.
- 413: Request Entity Too Large
  - If the provided file size is larger than allowed.
- 415: Unsupported Media Type
  - If the provided media type is not of MIME Multipart Content "form-data."
- 416: Request Range Not Satisfiable
  - If `offset `points to a part of a collection that is not available.
- 500: Internal Server Error
- 501: Not Implemented

# Examples

## XML Example

**Request URI**

```bash
https://production.blueprintcloud.com/api/v1/projects/45921/metadata/choicePropertyTypes
```

**Request Body**

```xml
<?xml version="1.0" ?><ChoicePropertyType xmlns="http://www.blueprintsys.com/blueprint/api/v1" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">  <Id>928</Id>  <Name>Activity Type</Name>  <DefaultValueIndex>1</DefaultValueIndex>  <ValidValues>    <ValidValue>Instant</ValidValue>    <ValidValue>Responsive</ValidValue>    <ValidValue>Waiting</ValidValue>  </ValidValues></ChoicePropertyType>
```

## JSON Example

**Request URI**

```bash
https://production.blueprintcloud.com/api/v1/projects/45921/metadata/choicePropertyTypes
```

**Request Body**

```json
[  {    "Id": 928,    "Name": "Activity Type",    "DefaultValueIndex": "1",     "ValidValues": [    "Instant",    "Responsive",    "Waiting"    ]  }]
```