epri-vtn_custom/app/views/events/_modal_event_interface_picker.html.erb

<div class="modal" id="modal-interface-picker">
  <div class="modal-dialog">
    <div class="close" data-dismiss="modal" aria-hidden="true">&times;</div>
    <h3 class="modal-title">Create new event of type:</h3>
    <div class="modal-body">
      <% @grouped_event_interface_class_names.keys.each do |group| %>
        <div class="modal-options-group">
          <h4><%= group %></h4>
          <% @grouped_event_interface_class_names[group].each do |event_interface_class_name| %>
            <%= link_to event_interface_class_name, new_event_by_type_path(event_interface_class_name.underscore), class: 'object-type-option btn btn-primary' %>
          <% end %>
        </div>
      <% end %>
    </div>
  </div>
</div>