How to filter QEvent::MetaCall

Hi,
I'm listening to some QWidget, and I'm uinsg installEventFilter!
It's all working and I see event number 43 (QEvent::MetaCall).
how do I get all the meta call details? I want the function name, args etc.

In KeyPress I can do this:

Code:

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if (event->type() == QEvent::KeyPress)
         QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);

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But what can I do with MetaCall???

THANKS!