rkit-summary.html#general_encoding">General
            Notes on
            Encoding</a>" regarding the "id" attribute for UIInput
            components. <p class="changed_added_2_0">Obtain the <code>UIViewRoot
            view identifier</code> and
            use it to obtain an <code>action URL</code> by calling
            <code>ViewHandler.getActionURL</code>.
            Use the <code>action URL</code> to obtain an <code>encoded
            action URL</code> by calling
            <code>ExternalCont