If you’re given WSDL files, you can generate your web service reference and C# classes with the following command in cmd
dotnet svcutil SomeService.wsdl –namespace “*,SampleProject.SomeService”
In case you’re only given XSD files to work with, you can generate C# classes with the following command
“C:\Program Files (x86)\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.6.1 Tools\xsd.exe” /c SomeService.xsd /n:SampleProject.SomeService