Controlling Close/open Hihat with alesis multipad?

got a Strike multipad , and i try to control the HiHat with alesis realhat 2 pedal controller to close and open hihat of VSTi groove agent 5, BFD3, Kontakt drummers etc, with no success ,
on the strike internal sound it works. use one pad to play close/open hihat and also the hihat down pedal sound with the realhat 2 controller .
for example in groove agent i can assign one multipads pad to to F#1 and the realhat pedal controller to G#1 for foothat ,but it wont open the hat with the same pad.
any idea on how make the Hihat controller close hh/open hh
on groove agent 5 and even in between cuz its a variable controller ? (if possible at all )
im not sure if settings needed to be assign on alesis strike multipad or groove agent or both