**Source URL:** https://limited.veevavault.dev/qualityone/vault-api/api-reference/25.3/documents/document-attachments/update-document-attachment-description

# Update Document Attachment Description

Update an attachment on the latest version of a document. To update a version-specific attachment, or to update multiple attachments at once, use the [bulk API](/qualityone/vault-api/api-reference/25.3/documents/document-attachments/update-multiple-document-attachment-descriptions).

<Endpoint path="/api/{version}/objects/documents/{doc_id}/attachments/{attachment_id}" method="PUT" />

## Headers

<FieldTable>
| Name | Description |
| --- | --- |
| `Content-Type` | `application/x-www-form-urlencoded` |
| `Accept` | `application/json` (default) or `application/xml` |
</FieldTable>

## URI Path Parameters

<FieldTable>
| Name | Description |
| --- | --- |
| `{doc_id}` | The document `id` field value. |
| `{attachment_id}` | The attachment `id` field value. |
</FieldTable>

## Body Parameters

<FieldTable>
| Name | Description |
| --- | --- |
| `description__v`<Requiredness type="required" /> | This is the only editable field. The maximum character length is 1000. |
</FieldTable>

## Request

<CodeExample title="">
```bash
curl -X POST -H "Authorization: {SESSION_ID}" \
-H "Content-Type: application/x-www-form-urlencoded" \
-d "description__v=This is my description for this attachment." \
https://myvault.veevavault.com/api/v15.0/objects/documents/565/attachments
```
</CodeExample>

## Response

<CodeExample title="">
```
{
    "responseStatus": "SUCCESS"
}
```
</CodeExample>

---

**Previous:** [Restore Document Attachment Version](/qualityone/vault-api/api-reference/25.3/documents/document-attachments/restore-document-attachment-version)  
**Next:** [Update Multiple Document Attachment Descriptions](/qualityone/vault-api/api-reference/25.3/documents/document-attachments/update-multiple-document-attachment-descriptions)