To edit an XQuery transformation:

  1. In the Routing Rules section, click the Select an existing mapper file or create a new one icon to the right of the Transform Using field. The Request Transformation Map dialog appears.

    Note:

    You cannot add or delete external variables from an existing XQuery (.xqy) map. However, you can select a variable and click Update Variable to modify the expression or value associated with the external variable.

  2. Click the Edit Mapping icon to the right of the Mapper File field. The XQuery map opens in the XQuery Mapper.

  3. See Creating Transformations with the XQuery Mapper for more information on using the XQuery Mapper.