MvDo Function, MVT, Miva Merchant 9+, Engine v5.22+
<mvt:do file="g.Module_Root $ '/modules/import/variantimport.mvc'" name="l.success" value="Create_Option(session var, record var, run_data var, product_id, attr_id, option var)" />
session var
record var
run_data var
product_id
attr_id
option var