How to use Epwm1_INT fOR "Control Clk Src"

Trido

I want to use 3 time  for my Programe.So I want use   Epwm1_INT  for   'Control Clk Src'.  When  I code gen it,some problem happen.     How to use  Epwm1_INT fOR  'Control Clk Src'

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