If this is a multirow map, is the cursor location only used to select a row for drilldown?  No Action column is needed in this case.

 

When this property is set true, navigation through the containing screen in selection actions (selection through the list) will use the cursor location instead of an action entry to achieve the navigation.

 

If a multirow map does not have an action column defined, you will need to set this property TRUE to also generate the rowSequence integer value in the field map's Input/Output helper module structure.