This project is a complete rewrite of ringcentral/ringcentral-csharp-client.
You can find sample code for all the endpoints.
There is also lots of useful code for your reference in our test cases.
Update version number in RingCentral.Net/RingCentral.Net.csproj
& RingCentral.Net/RestClient.cs
cd RingCentral.Net
dotnet pack
Update version number in RingCentral.Net.PubnubPCL/RingCentral.Net.PubnubPCL.csproj
cd RingCentral.Net.PubnubPCL
dotnet pack
Update version number in RingCentral.Net.Pubnub/RingCentral.Net.Pubnub.csproj
cd RingCentral.Net.Pubnub
nuget pack
Reference: Quickstart: Create and publish a package using Visual Studio (.NET Framework, Windows)