> ## Documentation Index
> Fetch the complete documentation index at: https://docs.bedrock.quarry-systems.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Update Subject

> Update an existing subject

## Path Parameters

<ParamField path="id" type="string" required>
  The unique identifier of the subject to update
</ParamField>

## Request Body

<ParamField body="metadata" type="object">
  Updated metadata for the subject
</ParamField>

## Response

Returns the updated subject object.

<RequestExample>
  ```bash cURL theme={null}
  curl -X PATCH 'https://api.example.com/subjects/sub_123' \
    -H 'Authorization: Bearer YOUR_TOKEN' \
    -H 'Content-Type: application/json' \
    -d '{
      "metadata": {
        "name": "John Doe Updated",
        "email": "john.updated@example.com"
      }
    }'
  ```

  ```javascript Node.js theme={null}
  const axios = require('axios');

  const { data } = await axios.patch('https://api.example.com/subjects/sub_123', {
    metadata: { name: 'John Doe Updated', email: 'john.updated@example.com' },
  }, {
    headers: { 'Authorization': 'Bearer YOUR_TOKEN' },
  });
  ```
</RequestExample>

<ResponseExample>
  ```json Response theme={null}
  {
    "id": "sub_123",
    "type": "user",
    "externalId": "user-456",
    "metadata": {
      "name": "John Doe Updated",
      "email": "john.updated@example.com"
    }
  }
  ```
</ResponseExample>