## Workbook::AddDigitalSignature method


Adds digital signature to an OOXML spreadsheet file (Excel2007 and later).

```cpp
void Aspose::Cells::Workbook::AddDigitalSignature(const DigitalSignatureCollection &digitalSignatureCollection)
```


| Parameter | Type | Description |
| --- | --- | --- |
| digitalSignatureCollection | const DigitalSignatureCollection\& |  |
## Remarks



Only support adding Xmldsig Digital Signature to an OOXML spreadsheet file
## See Also

* Class [Vector](../../vector/)
* Class [DigitalSignatureCollection](../../../aspose.cells.digitalsignatures/digitalsignaturecollection/)
* Class [Workbook](../)
* Namespace [Aspose::Cells](../../)
* Library [Aspose.Cells for C++](../../../)