OverlayOverlays the first element with the following »positions«.
Allowed attributes: (none)
Child elements: Barcode, Box, Circle, Frame, Image, Position, Rule, Switch, Table, Textblock, Transformation
Parent elements: Td
<PlaceObject>
<Table>
<Tr>
<Td>
<Overlay>
<Image width="5" height="4" file="_samplea.pdf"/>
<Position x="0" y="0">
<Box width="2" height="2" backgroundcolor="white"/>
</Position>
<Position x="0" y="0">
<Barcode select="'speedata'" type="QRCode" width="2" height="2"/>
</Position>
</Overlay>
</Td>
<Td>
<Image file="_sampleb.pdf" width="5" height="4" clip="no"/>
</Td>
</Tr>
</Table>
</PlaceObject>which gives the following output
