pass parameter by link_to ruby on rails

Question

I have this line of code:

<%= link_to \"Add to cart\", :controller => \"car\", :action => \"add_to_cart\", :car => car %>

wh

Answer 1

The above did not work for me but this did

<%= link_to "text_to_show_in_url", action_controller_path(:gender => "male", :param2=> "something_else") %>