BRF+ in NW 701: Adding an expression in a ruleset-specific rule

Hi,

I'm running BRFPlus in NW 701 (FDT_WORKBENCH) and I'm aware that, this version has several limitations

For example, in a ruleset-specific rule, I'm not able to add a ruleset variable nor to add a new expression operation as rule operation.

Is there any kind of workaround or I need BRF+ in NW 702 only?

Thank you in advance.

Kind Regards,

Andrea