Sets the tag for self.
The tag can be used to retrieve the page with adw.navigation_view.NavigationView.findPage, as well as with adw.navigation_view.NavigationView.pushByTag, adw.navigation_view.NavigationView.popToTag or adw.navigation_view.NavigationView.replaceWithTags.
Tags must be unique within each classNavigationView.
The tag also must be set to use the navigation.push action.
the page tag
Sets the tag for self.
The tag can be used to retrieve the page with adw.navigation_view.NavigationView.findPage, as well as with adw.navigation_view.NavigationView.pushByTag, adw.navigation_view.NavigationView.popToTag or adw.navigation_view.NavigationView.replaceWithTags.
Tags must be unique within each classNavigationView.
The tag also must be set to use the navigation.push action.