Boolean is true => spawn coin, add 1 to family 1 var, set boolean to false.
Boolean is true => spawn family 1, add 1 to family 1 var, set boolean to false.
Both of these events should be the exact same.
No, in the first case the variable will be increased for all family instances, not the one that you've just created.
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If you are creating a new "Coin" instance, you need to use "Coin" in other actions in the same event.
If you are creating a new "Family" instance, you need to use "Family" in other actions in the same event.