Within a new automation, using the Entity as a trigger, do you see your state variable as number.xxxx, where xxxx is the state variable name from ISY? You should see both "xxxx" representing Value, and "xxxx Initial Value", representing Init. If you don't see it in the list of Entities under Triggers, you may need to enable the state variable. In some cases I've had to go into the ISY integration and manually enable ISY state variable entities.