Get the subtree of an id in a menu (if any).

Returns the subtree of the filter value. Useful for showing a part of a menu when browsing sub-pages.

If the given id is not found inside the menu, it returns undefined.

If no argument is given, it takes menu from the resource with the name main_menu.

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menu_flat Menu menu_trail

Referred by


Filters transform template variables before they are rendered.