1. On the Integration tab click on the Additional Columns tab. 

2. Click on the Add Additional Column button. 

3. The Additional Column window will open. 

4. Name – Enter a name for the column. 

5. Tab off the Name field to enable the Type field. 

6. Type – Select Page Key Lookup from the Type dropdown list. 

7. Service – Select the name of the web service to be used. 

8. Service URL – Displays the URL associated with the Service that was selected. 

9. Filter Fields – Click Add Attribute to enter the matching details for the lookup. 

• Field – Select the source Field column that contains the data to be matched to the Dynamics NAV data. 
• Field Type – Select the field type for the selected Field. 
• Criteria – Select the criteria field that matches the source field. 

10. Add additional criteria rows if required. 

11. Save the settings.