## sign(self, digital_signature) {#aspose.cells.digitalsignatures.DigitalSignature}

Sign this VBA project by a DigitalSignature



```python

def sign(self, digital_signature):
    ...
```


| Parameter | Type | Description |
| :- | :- | :- |
| digital_signature | aspose.cells.digitalsignatures.DigitalSignature | DigitalSignature |



### See Also
* module [`aspose.cells.vba`](../../)
* class [`VbaProject`](/cells/python-net/aspose.cells.vba/vbaproject)