<Metadata version="2.0" xmlns="http://www.isapi.org/ver20/XMLSchema">
  <type>
    <!--required, xs:string, ruleTarget (rule metadata), activityTarget (real-time target metadata), PTZ (PTZ metadata); the rules will be uploaded when request started and rule changed only, while the real-time target will be uploaded when it is detected-->
  </type>
  <subType>
    <!--optional, xs:string, sub metadata type: "thermometry"-real-time temperature measurement, "fireDetection"-fire source detection, "shipsDetection"-ship detection, "behaviorAnalysis"-behavior analysis, "ANPR", "personQueue"-queue management, "faceSnap"-face capture, "personalTrack"-personal tracking; when the target is not in the detection rule range, it will not be uploaded-->
  </subType>
  <time><!--required, xs:time, ISO8601, it corrects to millisecond, e.g., 2017-01-11T17:43:30.256+08:00--></time>
  <DevInfo><!--optional, device information, it is used to differentiate the device when crossing domain and multicasting--> 
    <ipAddress><!--dependent, xs:string--></ipAddress> 
    <ipv6Address><!--dependent, xs:string--></ipv6Address>
    <portNo><!--required,  xs:integer--></portNo> 
    <macAddress><!--required,  xs:string--></macAddress>
    <channel><!--dependent, xs:integer --></channel>
    <domainName><!--optional, xs:string--></domainName>
  </DevInfo>
  <TargetDetection><!--optional-->
    <TargetList><!--required,  uploading multiple targets at same time is allowed-->
      <Target><!--required-->
        <targetID>
          <!--optional, xs:integer, target ID, it is valid for the real-time target uploading of ship detection and behavior analysis.
           The system or client can draw the moving target pattern according to this field-->
        </targetID>
        <recognition><!—optional,xs:string, "human, vehicle, ship"--></recognition>
        <ruleID><!—optional,xs:integer, detection rule ID--></ruleID>
        <RegionList><!--optional, target position, it will not be uploaded when the rule is invalid, point, line, and region-->
          <Region>
            <Point>
              <x><!--required,  xs:integer--></x>
              <y><!--required,  xs:integer--></y>
            </Point>
          </Region>
        </RegionList>
        <PropertyList> <!--optional, target attribute-->
          <Property>
            <description><!--optional--></description>
            <value><!--optional--></value>
          </Property>
        </PropertyList>
      </Target>
    </TargetList>
  </TargetDetection>
  <PTZInfo><!--optional, PTZ position-->
    <elevation><!--required, xs:float, -90.000 to 270.000--></elevation>
    <azimuth><!--required, xs:float, 0 to 360.000--></azimuth>
    <zoom><!--optional, xs:float, 0 to 100000.00--></zoom>   
    <focus><!--optional, xs:integer, 0 to 100000--></focus>
    <presetNo><!—optional, xs:integer--></presetNo>
  </PTZInfo>
</Metadata>

Remarks

For different detection types, the metadata details are different, see the table below.