Thanks.

I cannot get this to work.

I have a Linux server which has IRIS database.

This file exists - /trak/base/tc/db/ct/IRIS.DAT

However:

BASETC:%SYS>set db=##Class(SYS.Database).%OpenID("/trak/base/tc/db/ct",,.sc)

SET db=##CLASS(SYS.Database).%OpenID("/trak/base/tc/db/ct",,.sc)
^
<METHOD DOES NOT EXIST> *%OpenID,SYS.Database

Do you have any idea why I'm getting this as %OpenID method is documented here:
https://docs.intersystems.com/irislatest/csp/documatic/%25CSP.Documatic....