How do I read PressedPosition in the Pressed event?

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1

Hi!

I am going to send a PressedPosition to JavaScript on the Pressed event.

<WhilePressed ux:Name="press">
    <DataBinding Target="press.PressedPosition" Key="pressedPosition"/>
    <Callback Handler="{onPressed}"/>
</WhilePressed>

and

onPressed = function(e) 
{
    debug_log(JSON.stringify(e.data.pressedPosition.value));
}

It returns null.

On Clicked event, x, y could be read, but not on Pressed event.

How can I get PressedPosition in JavaScript?

Thank you.