- [JSON representation](https://developers.google.com/workspace/classroom/reference/rest/v1/CaseGuid#SCHEMA_REPRESENTATION)

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> [!WARNING]
> **Developer Preview:** Available as part of the [Google Workspace Developer Preview Program](https://developers.google.com/workspace/preview), which grants early access to certain features. This feature is available in `https://developers.google.com/workspace/classroom/reference/rest/v1/PreviewVersion` and later. See [Access Preview APIs](https://developers.google.com/workspace/classroom/reference/preview) to learn more.

Contains metadata sourced from CASE Network for learning standards.

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| JSON representation |
|---|
| ``` { "caseDocumentId": string, "caseItemId": string } ``` |

| Fields ||
|---|---|
| `caseDocumentId` | `string` Required. The unique identifier (CASE Network GUID) for the standard document. For example, for: <https://casenetwork.1edtech.org/c649d172-d7cb-11e8-824f-0242ac160002>, the caseDocumentId is "c649d172-d7cb-11e8-824f-0242ac160002". |
| `caseItemId` | `string` Optional. The unique identifier (CASE Network GUID) for the learning standard. For example, for: <https://casenetwork.1edtech.org/c649d172-d7cb-11e8-824f-0242ac160002/70d64823-d7cc-11e8-824f-0242ac160002>, the caseItemId is "70d64823-d7cc-11e8-824f-0242ac160002". |