# Update a user

Updates profile fields and group/role assignments for a user. All fields are optional.

Request:
userId      - ID of the user to update.
firstName   - Optional replacement first name.
lastName    - Optional replacement last name.
roleId      - Optional replacement role ID.
groupIds    - Optional replacement list of group memberships.
username     - Optional replacement username.

Response:
userId      - ID of the updated user.

Endpoint: POST /api/v1/user/update-user
Version: 3.0
Security: bearerAuth

## Request fields (application/json):

  - `userId` (string)
    Rule data fields

  - `firstName` (string)
    Rule data fields

  - `lastName` (string)
    Rule data fields

  - `roleId` (string)
    Rule data fields

  - `groupIds` (array)

  - `username` (string)
    Rule data fields

## Response 200 fields (application/json):

  - `userId` (string)
    Rule data fields

## Response 400 fields (application/json):

  - `message` (string)

## Response 401 fields (application/json):

  - `message` (string)

## Response 403 fields (application/json):

  - `message` (string)

## Response 404 fields (application/json):

  - `message` (string)

## Response 409 fields (application/json):

  - `message` (string)

## Response 429 fields (application/json):

  - `message` (string)

## Response 499 fields (application/json):

  - `message` (string)

## Response 500 fields (application/json):

  - `message` (string)

## Response 501 fields (application/json):

  - `message` (string)

## Response 503 fields (application/json):

  - `message` (string)

## Response 504 fields (application/json):

  - `message` (string)