$aParameter = array(
'externalId' => $externalId ,
'type' => 'Picture',
'file' => $imgpath . $filename, // " ../images/biens/sandraarndt/ATL-sandraarndt-0522473804-P.jpg ";'estateid' => $estateid );
$ret = $oImmocaster->exportObjectAttachment($aParameter);
<common:messages xmlns:common="http://rest.immobilienscout24.de/schema/common/1.0" xmlns:gis="http://rest.immobilienscout24.de/schema/platform/gis/1.0">
<message>
<messageCode>ERROR_RESOURCE_NOT_FOUND</messageCode>
<message>Resource was not found.</message>
</message>
</common:messages>