Figured it out.
just had to drop them in the contruct2\exporters\html5\behaviors folder
I swear I looked in there like 6 times and missed the behaviors folder each time.
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Sorry for the simple question, but I am new here.
I downloaded some custom behaviors, and can't figure out how to import them into the IDE.
I am sure I am missing something very basic, but I can't seemed to find the info on this. Thanks