# OnZoneBecameInvalid Event Fires when the current zone becomes invalid. Syntax
    SiteKiosk.Plugins("SiteCash").OnZoneBecameInvalid = handler
Remarks The current zone becomes invalid if it is transformed from a free zone into a pay zone. This may happen when you are using time-related prices. The object that caused the event can be referenced in the event function using "this". Examples The following example shows an alert window when a zone became invalid.
    <SCRIPT TYPE="text/javascript">
    window.external.InitScriptInterface();
    SiteKiosk.Plugins("SiteCash").OnZoneBecameInvalid = OZBInvalid;
    function OZBInvalid()
    {
       alert("Zone became invalid.");
    }
    </SCRIPT>
Applies to SiteKiosk v5.0 (and later versions). Back to top