How to add additional rest routes to a nested resource in rails -

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i have widget has many links. in routes file:

map.resources :widgets, :has_many => [:links]

i want add "sort" action links. need add routes file, can write sort_widget_links_path(widget)

you can define using block:

map.resources :widgets |widget|   widget.resources :links, :member => {:sort => :get} end

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