Developer Mapping Guide

10.5.4
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Example. Expression Parameters in a Filter Condition

Use expression parameters to parameterize the filter condition in a Filter transformation.

For example, you might use an expression parameter for a filter condition with the following default value:

EmployeeID > 100

The following image shows where you can configure the expression parameter:

This image shows the Filter tab of the Filter transformation, the New Parameter dialog box, and the Expression Editor where you can configure the expression parameter.

If the Filter transformation is reusable, you can bind the transformation parameter to a mapping parameter. You can assign a different default value to the mapping parameter and use the mapping parameter in non-reusable transformations in the mapping.

For example, you can edit the mapping parameter and configure the following default value: