Add an option to select a specific default field for each layer within the sequential numbering tool.
By default, each layer is set to the first field shown on the data field table, but it would be much more efficient and reduce human error if there were the ability to pick a specific default update field for each layer (similar to templates), without having to modify the data field table.
For example, when assigning sequential numbers to subdivision lots, I would naturally set the default update field as "Lot". For assigning sequential tax parcel numbers, I would set the default as "Parcel Number", etc. Most of our layers have a different default first field in the data table than what usually needs modified whiel using the tool.