> For the complete documentation index, see [llms.txt](https://dev.guardian.hedera.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev.guardian.hedera.com/developer-tools-and-resources/api-reference/policy-creation-using-the-guardian-apis/make-the-selected-group-active.md).

# Make the Selected Group Active

**`POST /policies/{policyId}/groups`**

Makes the selected group active for the current user. If no UUID is provided, the user is returned to the default state.

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

**Permission:** `Permissions.POLICIES_POLICY_EXECUTE` or `Permissions.POLICIES_POLICY_MANAGE`

***

## Request

### Path Parameters

| Parameter  | Type   | Required | Description                                                       |
| ---------- | ------ | -------- | ----------------------------------------------------------------- |
| `policyId` | string | Yes      | The policy ID (MongoDB ObjectId, e.g. `63e3e5e8a01b3c001234abcd`) |

### Request Body

```json
{
  "uuid": "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
}
```

| Field  | Type   | Required | Description                                                      |
| ------ | ------ | -------- | ---------------------------------------------------------------- |
| `uuid` | string | No       | UUID of the group to make active. Omit to reset to default state |

***

## Response

### Success Response

**Status:** `200 OK`

```json
{
  "id": "63e3e5e8a01b3c001234abcd",
  "uuid": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "role": "INSTALLER",
  "active": true
}
```

### Error Responses

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