Expression

String

Yes

String that contains the expression which is evaluated for input data. Column specification in the expressions is made by dot notation.

Name

String

Yes

String that specifies the name of the output column. Names must be unique within the output or the step reports an error and ends.

Type

Column Type

No

Column type which, if filled, determines the type of data created in the expression. If there is a conflict between the requested and evaluated result type during compilation, then the step reports an error and ends.