RDSM settings as parameter

Good day,
Would it be possible to use the settings within RDM as a parameter in a session?
For example, I've got a few scripts calling the users webbrowser. Currently, we use either the default webbrowser, or script extra parameters from the description field to set a custom browser for a user.
It would be handy if we could use the parameters from Settings - Entry types - Sessions - Website - Web browser (default)

Thanks!
Sander