# Update composite slice

Update a composite slice's name, description, or member slices.

Partially updates a composite slice. You can change its metadata or replace its member slice list entirely. Requires the `MANAGE_KNOWLEDGE_SLICES` capability.

#### Path Parameters

**`organization_id`** string required

The unique identifier of the organization (format: `org_*`).

**`slice_id`** string required

The unique identifier of the composite slice (format: `kslice_*`).

#### Request Body

**`name`** string optional

The updated name of the composite slice (1-255 characters).

**`description`** string optional

The updated description of the composite slice.

**`member_slice_ids`** array of strings optional

Replacement list of knowledge slice IDs. When provided, the entire member list is replaced.

## Returns

The updated composite slice object.

Request

```bash cURL
curl -X PATCH https://api.aitronos.com/v1/organizations/org_xyz789/knowledge/composites/kslice_comp789 \
  -H "Authorization: Bearer $ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Updated Engineering Knowledge",
    "member_slice_ids": ["kslice_abc123", "kslice_def456", "kslice_ghi789"]
  }'
```


```python Python SDK
from aitronos import Aitronos

client = Aitronos(api_key="your-api-key")

result = client.knowledge.update_composite(
    organization_id="org_xyz789",
    slice_id="kslice_comp789",
    name="Updated Engineering Knowledge",
    member_slice_ids=["kslice_abc123", "kslice_def456", "kslice_ghi789"],
)
print(result)
```


```python Python
import requests

org_id = "org_xyz789"
slice_id = "kslice_comp789"
url = f"https://api.aitronos.com/v1/organizations/{org_id}/knowledge/composites/{slice_id}"
headers = {
    "Authorization": "Bearer YOUR_ACCESS_TOKEN",
    "Content-Type": "application/json",
}
data = {
    "name": "Updated Engineering Knowledge",
    "member_slice_ids": ["kslice_abc123", "kslice_def456", "kslice_ghi789"],
}

response = requests.patch(url, headers=headers, json=data)
print(response.json())
```


```javascript JavaScript
const orgId = "org_xyz789";
const sliceId = "kslice_comp789";

const response = await fetch(
  `https://api.aitronos.com/v1/organizations/${orgId}/knowledge/composites/${sliceId}`,
  {
    method: "PATCH",
    headers: {
      "Authorization": `Bearer ${accessToken}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      name: "Updated Engineering Knowledge",
      member_slice_ids: ["kslice_abc123", "kslice_def456", "kslice_ghi789"],
    }),
  }
);

const data = await response.json();
console.log(data);
```

Response

```json 200 OK
{
  "id": "kslice_comp789",
  "name": "Updated Engineering Knowledge",
  "description": "Combines backend and frontend docs",
  "type": "standard",
  "is_composite": true,
  "owner_type": "organization",
  "owner_id": "org_xyz789",
  "status": "active",
  "member_slice_ids": ["kslice_abc123", "kslice_def456", "kslice_ghi789"],
  "store_count": 0,
  "organization_id": "org_xyz789",
  "created_by": "usr_owner1",
  "created_at": "2025-06-15T10:00:00Z",
  "updated_at": "2025-06-20T14:30:00Z",
  "archived_at": null,
  "archived_by": null
}
```


```json 404 Error
{
  "success": false,
  "error": {
    "code": "KNOWLEDGE_SLICE_NOT_FOUND",
    "message": "The requested knowledge slice could not be found.",
    "system_message": "Knowledge slice not found",
    "type": "client_error",
    "status": 404,
    "details": { "slice_id": "kslice_invalid" },
    "trace_id": "abc-123-def",
    "timestamp": "2025-11-02T08:21:45Z"
  }
}
```

## Related Resources

- [List Composites](/docs/api-reference/knowledge/list-composites)
- [Create Composite](/docs/api-reference/knowledge/create-composite)
- [List Slices](/docs/api-reference/knowledge/list-slices)