Scada.AddIn.Contracts.License - SerialNumber

Scada.AddIn.Contracts.License - SerialNumber

Hi all, I am trying to get the serial number of the license in the service engine that is running. I use a C# Addin and Zenon 11, and I see in the online help that it is readonly (fine), and available for "engineering studio" and "service engine", but I cannot find the way to get this information.

I try:
      ILicense license = context.XXXX
but I cannot find any property/method/whatever of the IProject that fits.

Any idea?