Additional Metadata

additionalMetadata
        |___element 'unitList'
              |___element 'unit'
                    |  \___attribute 'id' = 'Hectopascal'
                    |  \___attribute 'multiplerToSI' = '100'
                    |  \___attribute 'name' = 'Hectopascal'
                    |  \___attribute 'parentSI' = 'pascal'
                    |  \___attribute 'unitType' = 'pressure'
                    |___element 'description'
                          |___text 'pressure'