| Field | Type | Required | Description |
|---|---|---|---|
| deviceGroupId | string, ID | + | Expand Device Group by ID |
| showItems | bool | – | If there is no itemGroupId parameter: No actual filtering on items is done.If showItems is true, populates items collection with identifiers of all the items that belong to the device. If the is an itemGroupId parameter: The value of showItems considered true. |
| itemGroupId | string, ID | – | Expand Item Group by ID |
| version | string, SHA1 (hex checksum) | – | Version/hash of a request If a “version” parameter is passed, and the response matches this version sha1 , return empty response with version only. |