how to set property to qtabbar??

[melody:p]

hello, guys!
I have some different shaped tabwidget to make.
and I have to set stylesheet to tabwidget.
so I was set property to tabwidget.
but I don't know how to set property or objectname to tabbar.

In case tabwidget,

tabwidget->setProperty("aa", "1");
 
QTabWidget[aa = "1"]
{
 ...
}

tabwidget->setProperty("aa", "1");

QTabWidget[aa = "1"]
{
 ...
}

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then how to tabbar??

please help!

---

Added after 17 minutes:

I find the answer...

QTabWidget[aa = "1"] > QTabBar
{
...
}

QTabWidget[aa = "1"] > QTabBar
{
...
}

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thanks!