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<p>Notifies the Engine of a platform request to stop any active alert, such as when a user presses a physical 'stop' button. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a48eea8459c5a5c42819fb4fcd155ff89">&#9670;&nbsp;</a></span>removeAllAlerts()</h2>

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