<%= form_for Synapse.new, url: synapses_url, remote: true do |form| %> <%= form.autocomplete_field :desc, autocomplete_synapse_desc_synapses_path, :placeholder => "Describe the connection..." %> <%= form.hidden_field :topic1id, :value => 0 %> <%= form.hidden_field :topic2id, :value => 0 %> <%= form.hidden_field :map, :value => @map.id %> <% end %>