.HasMenuCurrent
Syntax
PAGE.HasMenuCurrent MENU MENUENTRY
.HasMenuCurrent is a method in Page object returning a boolean value. It
returns true if the PAGE is the same object as the .Page in one of the
children menu entries under MENUENTRY in a given MENU.
If MENUENTRY’s .Page is a section then, from Hugo 0.86.0, this method also returns true for any descendant of that section..
You can find its example use in menu templates.