# Updates Role Configuration

**`PUT /api/v1/permissions/roles/{id}`**

Updates the configuration (name, description, or permission set) of an existing role.

**Authentication:** Bearer token required (`Authorization: Bearer <token>`)

**Permission:** `Permissions.PERMISSIONS_ROLE_UPDATE`

***

## Request

### Path Parameters

| Parameter | Type   | Required | Description     |
| --------- | ------ | -------- | --------------- |
| `id`      | string | Yes      | Role identifier |

### Request Body

```json
{
  "name": "MRV Submitter",
  "description": "Updated description for the MRV Submitter role",
  "permissions": ["POLICIES_POLICY_READ", "POLICIES_POLICY_EXECUTE", "TOKENS_TOKEN_READ"]
}
```

| Field         | Type      | Required | Description                                    |
| ------------- | --------- | -------- | ---------------------------------------------- |
| `name`        | string    | No       | Updated role name                              |
| `description` | string    | No       | Updated role description                       |
| `permissions` | string\[] | No       | Updated list of permission names for this role |

***

## Response

### Success Response

**Status:** `200 OK`

```json
{
  "id": "63e3e5e8a01b3c001234abcd",
  "name": "MRV Submitter",
  "description": "Updated description for the MRV Submitter role",
  "permissions": ["POLICIES_POLICY_READ", "POLICIES_POLICY_EXECUTE", "TOKENS_TOKEN_READ"],
  "owner": "did:hedera:testnet:zHcDLGFNymFAJiMBKnpbHDgjvTn6yZnwkPPeFhtJBECH_0.0.4532001",
  "default": false
}
```

### Error Responses

| Status                      | Description               |
| --------------------------- | ------------------------- |
| `401 Unauthorized`          | Missing or invalid token  |
| `403 Forbidden`             | Insufficient permissions  |
| `404 Not Found`             | Role does not exist       |
| `500 Internal Server Error` | Unexpected server failure |


---

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