Navigate To Parameter Declaration
Ctrl+Shift+G | Parameter Declaration
ReSharper_NavigateToParameter
This command navigates from an argument in a method call to the the corresponding parameter in the declaration of the matching overload of this method.
The command becomes available when you invoke Navigate To on a method call argument.

If the item you navigate to belongs to the current solution, ReSharper opens the corresponding file in the editor and places the caret at the symbol declaration. If it is found in referenced libraries, ReSharper navigates according to the settings defined on the
page of ReSharper options.This feature is supported in the following languages and technologies:
The instructions and examples given here address the use of the feature in C#. For details specific to other languages, see corresponding topics in the ReSharper by Language section.