From

String

Yes

String that defines the input characters of the transformation

In

String

Yes

Column that contains the input text.

Out

String

Yes

Column that stores the result text.

To

String

Yes

String that defines the output characters of the transformation; the length must be the same as that of the "from" parameter value.

When Condition

String

No

Expression that must be satisfied for this step to be executed.

Id

String

No

Step identification string.