_form.html.erb

<%= simple_form_for(@notification) do |f| %>
  <%= f.error_notification %>

<div class="container">
    <div class="col-md-12">

      <h1>Create Notification</h1>

        <div class="form-inputs">
        <h5>Message</h5>
            <%= f.input :body, label: false %>
        </div>

        <div class="form-inputs">
        <h5>Company</h5>
            <%= f.association :company, :input_html => {class: 'chosen-select'}, label: false %>
        </div>

        <div class="form-inputs">
        <h5>Vehicle</h5>
            <%= f.association :vehicle, :input_html => {class: 'chosen-select'}, label: false %>
        </div>
        
        <div class="form-inputs">
        <h5>Recipients</h5>
            <%= f.association :recipients, :input_html => {class: 'chosen-select', multiple: true }, label: false %>
        </div>

        <div class="form-actions">
            <%= f.button :submit %>
        </div>


    </div>
</div>


<% end %>