Indicate if you want to update Function FIL (Flexible Inventory Load) with EFM data for existing items in your Inventory File.
Y = Update Function FIL with EFM data for items in your Inventory File. If you choose Y, you must also fill in the "Fields to Update" in the bottom portion of the window.
N = Do not update Function FIL with EFM data for items in your Inventory File.