is there any way to use phasor type ?

Hi

I need to use UPFC element which is in Simulink library , but the problem is that its model is Phasor and my PowerGUI should be set on Discrete mode , could anyone suggest a way to use Phasor type element in Discrete mode of PowerGUI ? i should mention that i know there is a detailed model of UPFC in Simulink examples and i dont want use that example .

Thanks