<%= form_for(@message, action: "/messages/create", html: { data: { remote: true }, class: "col-md-12 no-preloader" }) do |f| %> <%= f.text_area :message, placeholder: "Escribe tu mensaje...", required: true, class: "text-sm form-control" %> <%= f.hidden_field :user_id %> <%= submit_tag "Enviar Mensaje", class: "btn btn-primary btn-sm btn-block" %> <% end %>