fab-manager/app/views/notifications_mailer/notify_member_invoice_ready.html.erb

<%= render 'notifications_mailer/shared/hello', recipient: @recipient %>

<p>
  <%= _t('.body.please_find_attached_html',
         {
             DATE: I18n.l(@attached_object.created_at.to_date),
             AMOUNT: number_to_currency(@attached_object.total / 100.0),
             TYPE: @attached_object.main_item.object_type
         })
      # messageFormat
  %>
</p>

<p><%= t('.body.invoice_in_your_dashboard_html',
         DASHBOARD: link_to(
             t('.body.your_dashboard'),
             "#{root_url}#!/dashboard/invoices"
         )
       ) %>
</p>