<?xml version="1.0" encoding="UTF-8"?>
<!-- Copyright (C) 2004 RTIG -->
<!--

    RTIG-XML Bus & Tram Real Time Information Schema
    Example of asynchronous subscription request for vehicle status information. 
      
    
    History
 
      2004 Oct 18   Create 
-->
<rt:PTStatusRealTimeRegistrationRequest xmlns:trdxml="http://www.rtigxml.org.uk/schema/trident-xml" xmlns:trd="http://www.trident.org/schema/trident" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:rt="http://www.rtigxml.org.uk/schema/trident-rt" xmlns:rtig="http://www.rtigxml.org.uk/schema/trident-rtig" xsi:schemaLocation=" http://www.rtigxml.org.uk/schema/trident-rtig ../rtig_reference.xsd"> 
                <rt:VehicleStatusRealTimeRequest version="1.2c">
        <rt:LineRef>
            <rtig:PublishedLineName>521</rtig:PublishedLineName>
        </rt:LineRef>
    </rt:VehicleStatusRealTimeRequest>
    <!-- Only get updates if the data changes by more than 2 minutes -->
    <rt:ChangeBeforeUpdates>PT2M</rt:ChangeBeforeUpdates>
    <!-- This subscription requires incremental updates: the client will remember the state of the two departure boards and will modify, add and delete items as instructed by the supplier -->
    <rt:IncrementalUpdates>true</rt:IncrementalUpdates>
</rt:PTStatusRealTimeRegistrationRequest>