code: public static void associateCSH(BaseUIComponent component, HelpContext helpContext, BaseUIComponent commandTarget) {
          if (component != null) {
              component.setAttribute(CSH_TARGET, helpContext);
              CommandUtil.associateCommand("help", component, commandTarget);
          }
      }
docs: Associates context-sensitive help topic with a component. Any existing association is
  replaced.
  
  @param component Component to be associated.
  @param helpContext The help target.
  @param commandTarget The command target.