Adexl - dynamically stop transient run on event trigger

I tried to use MDL control as mentioned in support link here. It works fine for event tigger but not for additonal 10us delay. Please help here.

tran_autostop.mdl file contents:

      alias measurement tran_autostop

       {

        export real rise2

        run tran

        rise1=risetime(sig=V(clk_en), initval=0, inittype='y, finalval=1.8, finaltype='y, theta1=10, theta2=90)

        rise2=rise1+10E-6

       }

      run tran_autostop

Trasient Options > Misc

Test > right click options > MDL Control