p:commandButton with custom attributes

[elfwine]

Is there any way to add a 'data attributes' to p:commandButton?

I tried the following settings but data attributes aren't rendered.

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<p:commandButton value="Submit" action="#{top.changeMenu()}" data-idx="1" data-menu="top" process="@this" />

and this,

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<p:commandButton value="Submit" action="#{top.changeMenu()}" process="@this" >
    <f:attribute name="data-idx" value="1" />
    <f:attribute name="data-menu" value="top" />
</p:commandButton>

I'd like the button to be something like this when rendered,

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<input type="submit" value="Submit" class="btn" data-idx="1" data-menu="top" />

Please let me know if it's possible to do.

Thanks a lot.

[tandraschko]

google for "jsf passthrough attributes"