Specify the source field

To specify the source field as metadata to be injected, perform the following steps:

1. In the Target injection step keycolumn, double-click the field for which you want to specify a source field.

   The Source fielddialog box opens.
2. Select a source field and click OK.
3. (Optional) Select Use constant value to specify a constant value for the injected metadata through one of the following actions:

   • Manually entering a value.
   • Using an internal variable to set the value: ${Internal.Step.Unique.Count}, for example.
   • Using a combination of manually specified values and parameter values: ${FILE_PREFIX}_${FILE_DATE}.txt, for example.