it was necessairy to fix the xml (some tags were not properly closed)
Analysis:
so we do know which namespace we have to configure
and we can do the retrieval with the following options:
XPath:
or with the usage of a namespace manager
currently I am working on a custom library (Reply XMLToolBox Activities) to dynamize it and making it more easy. But there are some XML specifics to handle as well. So we would recommend for XML Beginers to configure the namespaces manually (currently you only need one with the descendants approach)