Attribute _xml_fragment contains:
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<ns2:Envelope xmlns:ns2="http://standardit.tapio.fi/schemas/forestData/envelope" xmlns:ns46="http://standardit.tapio.fi/schemas/forestData/WorkingSiteOperational" xmlns:ns5="http://standardit.tapio.fi/schemas/header" xmlns:ns7="http://www.opengis.net/gml" xmlns:ns8="http://standardit.tapio.fi/schemas/forestData/common/geometricDataTypes">
<ns2:Header>
<ns5:MessageType>WorkingSiteOperational</ns5:MessageType>
<ns5:TransmissionId>11920</ns5:TransmissionId>
<ns5:BusinessSender>FI17017343</ns5:BusinessSender>
<ns5:BusinessReceiver>DK27623549</ns5:BusinessReceiver>
<ns5:TransmissionSender>CF-HARVEST</ns5:TransmissionSender>
<ns5:TransmissionReceiver>WF</ns5:TransmissionReceiver>
<ns5:System>dev</ns5:System>
<ns5:TransmissionTime>2020-09-21T12:10:29.035Z</ns5:TransmissionTime>
<ns5:Action>1</ns5:Action>
</ns2:Header>
<ns2:Message>
<ns2:WorkingSiteOperational>
<ns46:ServiceBuyerId>DK27623549</ns46:ServiceBuyerId>
<ns46:WorkingSiteId>113107-1</ns46:WorkingSiteId>
<ns46:PurchaseContractNumber>Mangler</ns46:PurchaseContractNumber>
<ns46:WorkingSiteNumber>113107-1</ns46:WorkingSiteNumber>
<ns46:WorkingSiteName>Test FWMobile HRW</ns46:WorkingSiteName>
<ns46:ContractorId>DK27623549</ns46:ContractorId>
<ns46:ContractId>DK27623549</ns46:ContractId>
<ns46:ServiceType>2</ns46:ServiceType>
<ns46:OperationalRegion>Østjylland</ns46:OperationalRegion>
<ns46:ServiceBuyerContactInformation>
<ns46:ServiceBuyer>
<ns46:Name>HRW</ns46:Name>
<ns46:PhoneNumber>40322234</ns46:PhoneNumber>
<ns46:EmailAddress>HRW@hedeselskabet.dk</ns46:EmailAddress>
<ns46:LanguageCode>en</ns46:LanguageCode>
<ns46:SendWorkingAloneNotification>0</ns46:SendWorkingAloneNotification>
<ns46:SendNotifications>1</ns46:SendNotifications>
<ns46:NotificationContactPerson>1</ns46:NotificationContactPerson>
</ns46:ServiceBuyer>
</ns46:ServiceBuyerContactInformation>
<ns46:ForestOwners>
<ns46:ForestOwner>
<ns46:Owner>
<Name>Århus/Randers</Name>
</ns46:Owner>
</ns46:ForestOwner>
</ns46:ForestOwners>
<ns46:Accessibility>1</ns46:Accessibility>
<ns46:ReadyToDo>1</ns46:ReadyToDo>
<ns46:WorkingsiteInfo>Fra LandInfo 30102018 æøå</ns46:WorkingsiteInfo>
<ns46:OperationRestriction>
<ns46:Description>1</ns46:Description>
</ns46:OperationRestriction>
<ns46:ForestCertification>1</ns46:ForestCertification>
<ns46:MainWorkCode>1056</ns46:MainWorkCode>
<ns46:Assortments/>
<ns46:Stands>
<ns46:Stand>
<ns46:StandId>2</ns46:StandId>
<ns46:Geometry>
<ns7:polygonProperty>
<gml:Polygon xmlns:gml="http://www.opengis.net/gml" xmlns:sch="http://www.ascc.net/xml/schematron" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xs="http://www.w3.org/2001/XMLSchema" srsDimension="2">
<gml:exterior>
<gml:LinearRing srsDimension="2">
<gml:posList>9.427851579 56.448124911 9.427915952 56.447846212 9.428527496 56.448095262 9.427851579 56.448124911</gml:posList>
</gml:LinearRing>
</gml:exterior>
</gml:Polygon>
</ns7:polygonProperty>
</ns46:Geometry>
<ns46:WorkCodes>
<ns46:WorkCode>
<ns46:WorkingCode>305</ns46:WorkingCode>
<ns46:Amount>2500</ns46:Amount>
<ns46:Unit>2</ns46:Unit>
</ns46:WorkCode>
</ns46:WorkCodes>
<ns46:Materials/>
</ns46:Stand>
<ns46:Stand>
<ns46:StandId>3</ns46:StandId>
<ns46:Geometry>
<ns7:polygonProperty>
<gml:Polygon xmlns:gml="http://www.opengis.net/gml" xmlns:sch="http://www.ascc.net/xml/schematron" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xs="http://www.w3.org/2001/XMLSchema" srsDimension="2">
<gml:exterior>
<gml:LinearRing srsDimension="2">
<gml:posList>9.439068577189573 56.44838878323298 9.438875458140501 56.44773947575235 9.440093181033262 56.44769500223124 9.440152189631588 56.44830280251443 9.439068577189573 56.44838878323298</gml:posList>
</gml:LinearRing>
</gml:exterior>
</gml:Polygon>
</ns7:polygonProperty>
</ns46:Geometry>
<ns46:WorkCodes>
<ns46:WorkCode>
<ns46:WorkingCode>306</ns46:WorkingCode>
<ns46:Amount>3</ns46:Amount>
<ns46:Unit>1</ns46:Unit>
</ns46:WorkCode>
</ns46:WorkCodes>
<ns46:Materials/>
</ns46:Stand>
<ns46:Stand>
<ns46:StandId>1</ns46:StandId>
<ns46:Geometry>
<ns8:MultiPolygonGeometry>
<gml:MultiPolygon xmlns:gml="http://www.opengis.net/gml" xmlns:sch="http://www.ascc.net/xml/schematron" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xs="http://www.w3.org/2001/XMLSchema" srsDimension="2">
<gml:polygonMember>
<gml:Polygon srsDimension="2">
<gml:exterior>
<gml:LinearRing srsDimension="2">
<gml:posList>9.430887722 56.447239631 9.430881551 56.447222447 9.430881089 56.447221605 9.43088034 56.447220828 9.430862765 56.44720626 9.430861757 56.44720558 9.430860528 56.447205022 9.430834225 56.447195288 9.430831302 56.447194617 9.430800276 56.447191199 9.430798694 56.447191113 9.430797112 56.447191199 9.430766086 56.447194617 9.430763163 56.447195288 9.43073686 56.447205022 9.430735632 56.44720558 9.430734623 56.44720626 9.430717048 56.447220828 9.430716299 56.447221605 9.430715838 56.447222447 9.430709666 56.447239631 9.430709666 56.447241383 9.430715837 56.447258567 9.430716299 56.447259409 9.430717048 56.447260185 9.430734623 56.447274753 9.430735631 56.447275433 9.43073686 56.447275992 9.430763163 56.447285726 9.430766086 56.447286396 9.430797112 56.447289814 9.430798694 56.447289901 9.430800276 56.447289814 9.430831302 56.447286396 9.430834225 56.447285726 9.430860528 56.447275992 9.430861757 56.447275433 9.430862765 56.447274753 9.43088034 56.447260185 9.430881089 56.447259409 9.430881551 56.447258567 9.430887722 56.447241383 9.430887722 56.447239631</gml:posList>
</gml:LinearRing>
</gml:exterior>
</gml:Polygon>
</gml:polygonMember>
</gml:MultiPolygon>
</ns8:MultiPolygonGeometry>
</ns46:Geometry>
<ns46:WorkCodes>
<ns46:WorkCode>
<ns46:WorkingCode>1056</ns46:WorkingCode>
<ns46:Amount>1</ns46:Amount>
<ns46:Unit>1</ns46:Unit>
</ns46:WorkCode>
</ns46:WorkCodes>
<ns46:Materials>
<ns46:Material>
<ns46:MaterialId>1</ns46:MaterialId>
<ns46:MaterialCode>30107</ns46:MaterialCode>
<ns46:Amount>1.5</ns46:Amount>
<ns46:Unit>3</ns46:Unit>
</ns46:Material>
</ns46:Materials>
</ns46:Stand>
</ns46:Stands>
<ns46:Storages/>
</ns2:WorkingSiteOperational>
</ns2:Message>
</ns2:Envelope>
I tried using XMLFragmenter to extract the GML and follow up by GeometryExtractor.
However I can't extract the geometry.
I then tried to create a WKT from the posList, but it seems redundant.
The extracted GML:
<?xml version="1.0" encoding="UTF-16"?><ns46:Geometry xmlns:ns46="http://standardit.tapio.fi/schemas/forestData/WorkingSiteOperational">
<ns7:polygonProperty xmlns:ns7="http://www.opengis.net/gml">
<gml:Polygon srsDimension="2" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sch="http://www.ascc.net/xml/schematron" xmlns:gml="http://www.opengis.net/gml">
<gml:exterior>
<gml:LinearRing srsDimension="2">
<gml:posList>9.427851579 56.448124911 9.427915952 56.447846212 9.428527496 56.448095262 9.427851579 56.448124911</gml:posList>
</gml:LinearRing>
</gml:exterior>
</gml:Polygon>
</ns7:polygonProperty>
</ns46:Geometry>