Additional Metadata

additionalMetadata
        |___element 'metadata'
              |___element 'unitList'
                    |___element 'unitType'
                    |     |  \___attribute 'id' = 'waterHeight'
                    |     |  \___attribute 'name' = 'waterHeight'
                    |     |___element 'dimension'
                    |     |        \___attribute 'name' = 'length'
                    |     |        \___attribute 'power' = '1'
                    |     |___element 'dimension'
                    |              \___attribute 'name' = 'time'
                    |              \___attribute 'power' = '-1'
                    |___element 'unit'
                          |  \___attribute 'id' = 'millimeterPerYear'
                          |  \___attribute 'name' = 'millimeterPerYear'
                          |  \___attribute 'unitType' = 'waterHeight'
                          |  \___attribute 'parentSI' = 'meterPerSecond'
                          |  \___attribute 'multiplierToSI' = '31536000000'
                          |  \___attribute 'abbreviation' = 'mm/y'
                          |___text 'Water Height'