Ftp over ssh connect button

in a button that does a lot of stuff I need to open a ftp over ssh connection but I just can't figure out the syntax for that.
The connection is stored as FTP favorite but can't see any way to access that. Connecting to FTP://localhost:2200/ doesn't work either as Dopus then tries a ftp connection instead of ftp over ssh.
Any help appreciated.

I think the code you want is

go FTPSITE="Saved Site Name"

thx, didn't find that ftpsite anywhere