MvDo Function, MVT, Miva Merchant 9+, Engine v5.22+
<mvt:do file="g.Module_Root $ '/modules/export/userdataexp.mvc'" name="l.success" value="UserDataExport_Export_UserPreferences(output_file, last_id var, export_count var, total_count var)" />
output_file
last_id var
export_count var
total_count var