## SharingInstanceGuid {#sharinginstanceguid}

Contains a value that is ignored by the server no matter what value is generated by the client. Area: Sharing Canonical name: PidLidSharingInstanceGuid Alternate names: dispidSharingInstanceGuid

**Returns:** System::SharedPtr < PidLidPropertyDescriptor > Aspose::Email::Mapi::

```cpp
SharingInstanceGuid()
```