Option Database is a master template with lotusscript

i need help. i try to set the option database is a master template in a template via lotusscript but i can’t do that. i need information to do that (c api or another solution)dbtemplate ’ template whit the option checked

i do:

set newtemplate = dbtemplate.copyto(server,file)

but the option didn´t check in the new template

please help meee!

sorry for mi english