## GetId function

Specifies a GUID which can be cross-referenced with the GUID of the signature line stored in the document content.Default value is Empty (all zeroes) Guid.

```go

func (instance *DigitalSignature) GetId(uuid *UUID)  error

```

## Remarks


## See Also

* Class [DigitalSignature](../)
* Library [Aspose.Cells for Go](../../)