## isSliceDefinitionWithTypes() function

**Signature:**

```typescript
export declare function isSliceDefinitionWithTypes(slice: SliceDefinition): slice is SliceDefinitionWithTypes;
```

## Parameters

| Parameter | Type | Description |
| --- | --- | --- |
| slice | [SliceDefinition](/content/docs/sdk/core.slicedefinition) |  |

**Returns:**

slice is [SliceDefinitionWithTypes](/content/docs/sdk/core.slicedefinitionwithtypes)

- [isSliceDefinitionWithTypes() function](/content/docs/sdk/core.isslicedefinitionwithtypes#isslicedefinitionwithtypes-function/index.html)  
- [Parameters](/content/docs/sdk/core.isslicedefinitionwithtypes#parameters/index.html)