class Decidim::Meetings::Admin::ExportMeetingRegistrations

def export_data
  Decidim.traceability.perform_action!(
    :export_registrations,
    meeting,
    current_user
  ) do
    Decidim::Exporters
      .find_exporter(format)
      .new(meeting.registrations, Decidim::Meetings::RegistrationSerializer)
      .export
  end
end