A mapping configuration file consists of two distinctive sections for the [[#Section:_.3CImport.3E_.2F_.3CExport.3E|general import and export configuration]], labeled as '''<Import>''' and '''<Export>''', respectively.
Each such section consists of multiple sections describing the [[#Section:_.3CNameOfXmlElement.3E|mapping of {{UBIK}} MetaClasses to XML elements]], labeled similar to the name of the related XML element.
These class related mapping sections (also called '''ClassMapping''') consist of sections for defining
* possible key properties, labeled '''<Identifiers>'''