<additional xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/additional_file.xsd">

    <!-- non valid frequency (missing) -->
    <laneAreaDetector id="E2_01" lane="EdgeCenter0_0" pos="10" length="10.00" file="fileA.txt" timeThreshold="1.00" speedThreshold="1.39" jamThreshold="10.00" friendlyPos="0"/>

    <!-- non valid frequency (dummy) -->
    <laneAreaDetector id="E2_02" lane="EdgeCenter0_0" pos="11" length="10.00" period="dummyFrequency" file="fileA.txt" timeThreshold="1.00" speedThreshold="1.39" jamThreshold="10.00" friendlyPos="0"/>

    <!-- non valid frequency (negative) -->
    <laneAreaDetector id="E2_03" lane="EdgeCenter0_0" pos="12" length="10.00" period="-100.00" file="fileA.txt" timeThreshold="1.00" speedThreshold="1.39" jamThreshold="10.00" friendlyPos="0"/>

    <!-- valid frequency -->
    <laneAreaDetector id="E2_04" lane="EdgeCenter0_0" pos="13" length="10.00" period="120.50" file="fileA.txt" timeThreshold="1.00" speedThreshold="1.39" jamThreshold="10.00" friendlyPos="0"/>

</additional>
