Adding the column to the Data Lake query Open Infor OS Portal's navigation menu. In the Applications, select Birst. Select <Tenant>_CSF-Model-Extension. Go to Modeler > Connect. Select Infor Data Lake. All the dimensions that can be extracted are displayed. Click the FSM_AccountingEntity_Ext to view the list of columns available. To modify: Click the arrow down button and select Edit. Add the new field. Note: Do not forget to add a comma at the end of the AccountingEntity field. Click Save. The Extension space grabs the value of the attribute from Accounting Entity Extension.