Can a script detect when it's being run as a scheduled task?

[Kent Multer]

Is there a global variable, system variable, or some other way for a script to determine whether it's being run in a scheduled task, instead of being called "live" by from merchant.mvc, admin.mvc, or one of the other top-level programs?

Thanks --

[dcarver]

g.Session:source should be set to "scheduled". Other possible values could be "runtime", "admin", and "api".

[Kent Multer]

Thanks!