using com.apama.dataview.DataViewAddItem;
using com.apama.dataview.DataViewItem;
...
string location ;
integer temp;
integer humidity;
integer visibility;
...
DataViewAddItem item := new DataViewAddItem;
item.dvName := "Weather";
item.fieldValues :=
   [location,temp.toString(),humidity.toString(),
   visibility.toString()];
route item;
DataViewItem added;
on DataViewItem (dvName="Weather"):added {
   log("Weather monitor - DataViewItem: " +
      added.dvItemId.toString());
}