Provide a custom documentation URL for a class.
#pragma strict
@HelpURL("http://example.com/docs/MyComponent.html")
public class MyComponent {
}
        using UnityEngine; using UnityEditor;
[HelpURL("http://example.com/docs/MyComponent.html")] public class MyComponent { }
| URL | The documentation URL specified for this class. | 
| HelpURLAttribute | Initialize the HelpURL attribute with a documentation url. |