Open Tab Group Alongside Current Tabs

I have a button with this command:

Go TABGROUPLOAD=GROUPNAME NEWTABS

It opens my tab group replacing the current tab. How do I make it open alongside the current tab(s)?

Go TABGROUPLOAD=GROUPNAME NEWTABS TABCLOSEALL=no

https://docs.dopus.com/doku.php?id=:reference:command_reference:internal_commands:go

Thanks. That works.