PowerMax shutdown Simplified SymmWin Shutdown script

Please advise if the script identified a "Simplified SymmWin Shutdown"  in the  "Dell EMC PowerMax Power-down/Power-up Procedures" REVISION 1.0 September 2019  can be initiated remotely.

I read that on the VMAX this was the case via ESRS. I have not found reference to the same on PowerMax