n>
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public string|array <b>$url</b>;</div>

<p>the URL that can return the candidate selections.
A 'q' GET parameter will be sent with the URL which contains what the user has entered so far.
If the URL is given as an array, it is considered as a route to a controller action and will
be used to generate a URL using <a href="/doc/api/1.0/CController#createUrl">CController::createUrl</a>;
If the URL is an empty string, the currently requested URL is used.
This property will be i