# Creates a new discussion linked to the target document

**`POST /api/v1/policy-comments/{policyId}/{documentId}/discussions`**

Creates a new discussion thread linked to the target document.

**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      | Policy identifier   |
| `documentId` | string | Yes      | Document identifier |

### Request Body

```json
{
  "title": "Query about facility capacity value",
  "message": "The reported capacity of 500 MWh seems high — please verify."
}
```

| Field     | Type   | Required | Description                   |
| --------- | ------ | -------- | ----------------------------- |
| `title`   | string | Yes      | Discussion title or subject   |
| `message` | string | No       | Optional initial message body |

***

## Response

### Success Response

**Status:** `201 Created`

```json
{
  "id": "63e3e5e8a01b3c001234abcd",
  "title": "Query about facility capacity value",
  "owner": "did:hedera:testnet:zHcDLGFNymFAJiMBKnpbHDgjvTn6yZnwkPPeFhtJBECH_0.0.4532001",
  "createDate": "2026-03-30T10:00:00.000Z",
  "commentCount": 0
}
```

### Error Responses

| Status                      | Description                             |
| --------------------------- | --------------------------------------- |
| `401 Unauthorized`          | Missing or invalid token                |
| `403 Forbidden`             | Insufficient permissions                |
| `422 Unprocessable Entity`  | Validation error — invalid field values |
| `500 Internal Server Error` | Unexpected server failure               |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://dev.guardian.hedera.com/guardian/complex-iterative-review-and-approval-workflows/apis-related/creates-a-new-discussion-linked-to-the-target-document.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.