# Click '''Sample Instructions''' for both '''Search Instructions''' and '''Result Instructions'''.
# For '''Additional Automatic Field Population''' click the '''Add Mapping Field''' button that looks like a plus sign to create a new row.
# From the '''Mapping Field''' column drop down, select '''Lookup Field ID Registration Number (EIN)'''.
# In the '''Custom Field''' input column right beside the mapping field, start typing the name of the EIN field you created and select it from the list.
# Click '''Save'''.