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Result Set Columns - The names of each of the columns in the resulting data set. The names must be entered in the order in which they will appear in the data set. The column names need to be provide only if a column will be referenced by name within the action sequence. Actions placed within a loop on the result set can use these names. See the BusrtActionSequence.xaction example in pentaho-solutions/samples/bursting for a demonstration of this.
Result Set Name - The name of the resulting output dataset. Following actions can refer to the data set using this name.