That mod is very simple, when you run that command, the mod will use the same method that EA uses to resurrect sims from other “legal” methods.
Open the console by using CONTROL+SHIFT+C. To resurrect your sims, simply use resurrectsim 
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Sonshine says
Hi, this mod does not work. It may be that you need to update it for the last patch. I just tried it though and it does not work. Thanks!