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 if (Event.SourceType == "GRELE" && Event.SourceId == "1" && Event.Action == "ON")
{
 if(GetObjectState("GRAY", "1")=="DISARM")
 {
  SetObjectState("GRAY", "1", "ARM");
 }
 else
 {
  SetObjectState("GRAY", "1", "DISARM");
 }
}