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

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

<p><%= t('.body.reservation_changed_to') %></p>
<p><%= "#{I18n.l(@attached_object&.slot&.start_at, format: :long)} - #{I18n.l(@attached_object&.slot&.end_at, format: :hour_minute)}" %></p>
<p><small><%= t('.body.previous_date') %> <%= "#{I18n.l(@attached_object&.ex_start_at, format: :long)} - #{I18n.l(@attached_object&.ex_end_at, format: :hour_minute)}" %></small></p>