## GridJsService.GetWarningCallback method

Gets custom warning callback for import file.

```csharp
public IWarningCallback GetWarningCallback()
```

### Return Value

The warning callback

### See Also

* class [GridJsService](../)
* namespace [Aspose.Cells.GridJs](../../../aspose.cells.gridjs/)
* assembly [Aspose.Cells.GridJs](../../../)