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How to reset the Web Browser Widget?

I'm playing a youtube video on a TV screen actor using 3D widget/UMG with experimental Web Browser widget. It works fine but how I can stop a loaded URL? Load URL method with empty string doesnt work. (So ATM I switch off the TV/hide the UMG widget but youtube still playing audio in hidden state.) Temporarly I use a load URL for a non-sounding page like google.com but Im curious there is a better solution? Sth like Reset() would be fine which would restore the state as when I didnt specify a default URL for the widget. Thanks

Product Version: UE 4.18
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asked Apr 04 '18 at 01:50 PM in Using UE4

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