- Click the mapping button in the center of the import step. The Edit mapping window opens.
- Click the Settings button next to the field you are mapping. The Settings window opens.
- In the Field mapping type section, click Lookup.
- Select Dynamic search in the Options section.
- Enter the Relative URI.
- Select an HTTP method.
- Enter the Resource identifier path.
- Enter a unique value in the Name field so that you can identify this lookup later.
- Click Save.