# `POST /article/{sku}/parent`

Protected. Requires a valid session cookie (`credentials: 'include'`).

Toggle parent mode for an article

Enables or disables parent article status. Enabling requires specifying an
attributeNameId; disabling requires the article to have zero children.

`attributeNameId` is **conditionally required**: it is optional in the schema
because it is only required when `isParent` is `true`. Omitting it (or passing
`0`/a negative value) together with `isParent: true` returns `400`
`attributeNameId is required to become a parent article`. It must not be sent
when `isParent` is `false`.


## Path parameters

| Param | Required | Type | Description |
|-------|----------|------|-------------|
| `sku` | yes | string | Article SKU |

## Body (JSON)

| Field | Required | Type | Description |
|-------|----------|------|-------------|
| `isParent` | yes | boolean | True to make article a parent, false to revert to regular article |
| `attributeNameId` | no | integer | **Conditionally required when `isParent` is `true`** (required iff isParent=true). The attributename id used for the article's variants. Omitting it while enabling parent mode returns 400. Must be omitted when `isParent` is `false`. |

```json
{
  "isParent": true,
  "attributeNameId": 1
}
```

## Response `200`

Updated article

```json
{
  "article": {
    "id": 1,
    "categoryId": 1,
    "name": "…",
    "sku": "…",
    "track_stock": true
  }
}
```

## Errors

| Status | Description |
|--------|-------------|
| 400 | Invalid input, `attributeNameId` missing while `isParent` is true, article still
has children, article has stock/suppliers/a Stückliste/options, or the attribute is
already used by an ancestor parent article.
 |
| 404 | Article or attribute name not found |

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