<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://www.opengis.net/kml/2.2">
  <Document>
    <name>Extended Data Example</name>
    <Placemark>
      <name>Location with Speed</name>
      <description>A location with extended data including speed</description>
      <TimeStamp>
        <when>2024-01-19T11:30:00Z</when>
      </TimeStamp>
      <Point>
        <coordinates>-122.0841,37.4220,10</coordinates>
      </Point>
      <ExtendedData>
        <Data name="speed">
          <value>5.5</value>
        </Data>
        <Data name="accuracy">
          <value>10</value>
        </Data>
        <Data name="battery">
          <value>85</value>
        </Data>
      </ExtendedData>
    </Placemark>
  </Document>
</kml>
