<%= form_for [talkie, Talkie::Comment.new] do |f| %> <%= f.hidden_field :commentable_id, value: commentable.id %> <%= f.hidden_field :commentable_type, value: commentable.class.name %> <%= f.text_area :body, placeholder: t("talkie.comments.form.body_placeholder") %> <%= f.submit t("talkie.comments.form.submit"), class: "talkie-comments-form-submit" %> <% end %>