The same thing can be achieved by listening for the generic shaking gesture yourself.
At that moment perform that action of your choice, and then invoke Shake through code using the Shake.show()
method: iOS, Android, React Native, Flutter. Voilà!
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If you still want us to develop this event though, visit our Public Roadmap as everyone else: Feel free to create or upvote a related Post and we might choose to develop it soon.