create class and methods returning string

hie ineed to create a class Client with properties Name and NIP and a method returning a string with GetName and GetNIP
i dont really understand the returning method with string
can someone help me out ??
thanks

Read, for example, this very basic introductory tutorial about C# methods, and you should be able to do it. If for some reason you still don't understand methods, please come back and tell us what exactly you find confusing, and we'll see what we can do.