Named and optional arguments

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C#

C#4.0

Hello all,

My purpose is to have an argument on a method. This argument is going to be a list. But this argument is going to be used as an optional argument and its default value should be a empty list. How can I declare it?

As an example

public void ExampleMethod(int required, string optionalstr = "default string",
    int optionalint = 10)

The usage of it

anExample.ExampleMethod(3, optionalint: 4); 

For more info you can see it in MSDN[^]
So I need something like

public void ExampleMethod(int required, List<string> optionalstrList = "????",
    int optionalint = 10)