Hi Ingo, Surveys are defined in the Content component and the associated data model. I suggest to investigate differences with other 'Content' entity-models and services to identify enhancements. At first glance it seems that a language element should be introduced.
I trust the above helps. Best regards, Pierre Smits *Apache Trafodion <https://trafodion.apache.org>, Vice President* *Apache Directory <https://directory.apache.org>, PMC Member* Apache Incubator <https://incubator.apache.org>, committer *Apache OFBiz <https://ofbiz.apache.org>, contributor (without privileges) since 2008* Apache Steve <https://steve.apache.org>, committer