Problem with Support Team Determination via Business Rule Framework plus (can't find button)

hello all!

Please helpme to adjust ruleset for Support Team Determination.

I takeinstruction Support Team Determination via Business Rule Framework plus

I ranthe transactionBRFPLUS and cameto the point "assign the function SUPPORT_TEAM to your ruleset":

Butin mysystem there is nosuch button "Assign Function":

I use Solutin Manager 7.1 SP08

Help me please, how do Iassign function?