Dropdown Field, Option List mapped to Data Source how to influence Language

The option list of a dropdown field is mapped to a data source (odata integration). Everything works find. Nevertheless the descriptions are returned by the odata service in German. We would like to change this to a specific language, e.g. English. The external application (C4C) accept the url parameter “sap-language” to specify the language. How can we adapt the data source or the logic to influence odata call in way the parameter is transferred. The screenshot does show the URL

Hi! This isn’t possible at the moment I think, but this should be coming out soon, in the next version of Composer (version visible under Community tab) in 3526 or later.