> Documentation index: https://www.gooddata.ai/docs/gooddata-ui/llms.txt lists every page of these docs as Markdown.

# assertPublisherEntitySupportedV2()

- Package: [@gooddata/sdk-backend-spi](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-backend-spi/index.md)
- Kind: function
- Stability: alpha
- Source: https://github.com/gooddata/gooddata-ui-sdk/blob/rel/11.64/libs/sdk-backend-spi/src/errors/index.ts

> **Alpha API.** Initial API, highly likely to change outside SemVer. Don't build on it in production. See [API maturity](https://www.gooddata.ai/docs/gooddata-ui/latest/integrations/platform/api-maturity/index.md).
> 

Throws [PublisherContentNotSupportedError](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-backend-spi/sdk-backend-spi.publishercontentnotsupportederror/index.md) when a Publisher document, document template or page template fails the content validation and must not be saved. A save under a `default.` id always fails.

**Signature:**

```typescript
export declare function assertPublisherEntitySupportedV2(entity: IPublisherDocumentDefinitionV2 | IPublisherDocumentTemplateDefinitionV2 | IPublisherPageTemplateDefinitionV2): void;
```

## Parameters

| Parameter | Type | Description |
| --- | --- | --- |
| entity | [IPublisherDocumentDefinitionV2](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.ipublisherdocumentdefinitionv2/index.md) \| [IPublisherDocumentTemplateDefinitionV2](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.ipublisherdocumenttemplatedefinitionv2/index.md) \| [IPublisherPageTemplateDefinitionV2](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.ipublisherpagetemplatedefinitionv2/index.md) |  |

**Returns:**

void