[jQuery] [plugin] How to change message while the page is blocked using blockUI plugin

Hello people, i'd like to know if it's possible change de message
while the page is block by "blockUI" jquery plugin. I've tried a lot
of things, but none was good. One thing i've tried was using CSS
selectors like:

$('blockUI blockMsg blockPage').innerHTML

but it hasn't worked.

Any idea?


Thanks

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