## SignatureType enumeration

Specifies the signature type.



The SignatureType type exposes the following members:

### Fields
| Field | Description |
| :- | :- |
| DEFAULT | The default value , the corresponding ProviderId value is fixed to {0000000000-0000-0000-0000-0000000000}. |
| STAMP | The corresponding ProviderId value is usually {000CD6A4-0000-0000-C000-000000000046}. |
| CUSTOM | The corresponding ProviderId value usually needs to be set by the user. it should be obtained from the documentation shipped with the provider. |



### See Also
* module [`aspose.cells.drawing`](..)