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Custom

The Custom action executes code you specify.

The options object for the Custom action has the following properties:

  • callback: The code to execute, in the form of a callback function.
  • runDuringTransition: A boolean indicating whether the action should run during a transition. This is an optional property. If not specified, the default is false.

When the button is clicked, the below example prints an "Abracadabra" message to the console and then hides the circle by setting its hidden property to true.

clickMeButton.onTapDown(() => {
    circle.run(Action.custom({
        callback: () => {
            console.log("Abracadabra! The circle is hidden!");
            circle.hidden = true;
        },
    }));
    console.log("Circle custom action has begun.");
});

Unlike Move, Scale, and Wait, the Custom action doesn't have a duration property. This is because the Custom action doesn't have a duration -- it just executes the code you specify.

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