Use variables in the btf editor

Hi all,

I followed the tutorial of Rajesh (http://wiki.scn.sap.com/wiki/display/stage/BTF+Editor+in+CRM+Web+UI+using+Rapid+Application) to create an application with two assignmentsblocks (one is the details block, one is the btf editor).

Now I want to use the variables from the details-ab in the btf editor text. Can someone explain best practise?

Regards,

Daniel