<additional xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/additional_file.xsd">
    <parkingArea id="parkingArea_0" lane="EdgeCenter1_1" startPos="20.00" endPos="30.00">

        <!-- valid z (missing) -->
        <space x="5.00" y="-15.00" width="3.30" length="6.00" angle="45.00"/>

        <!-- non valid z (dummy) -->
        <space x="10.00" y="-15.00" z="dummyZ" width="3.30" length="6.00" angle="45.00"/>

        <!-- non valid z (empty) -->
        <space x="10.00" y="-15.00" z="" width="3.30" length="6.00" angle="45.00"/>

        <!-- valid z (negative) -->
        <space x="10.00" y="-15.00" z="1.3" width="3.30" length="6.00" angle="45.00"/>

        <!-- valid z -->
        <space x="15.00" y="-15.00" z="1" width="3.30" length="6.00" angle="45.00"/>

    </parkingArea>
</additional>
