C# basics (ATTRIBUTES )

Question

HELLO!!!

I have custom attribute

 

[AttributeUsage(AttributeTargets.Property)]

public class TestAttribute : Attribute

{

public string S;

public TestAttribute()

{

}

}

public class A

{

[Test]

public string str { get; set; }

}

How can I get value of properti in my attribute where i use my attribute?

For example i use my attribute for str properti how can i get str value in my TestAttribute Class?