What does the column field mean in dataclass?

Question

Hi, trying to understand what the column field represents in the dataclass rule screen. Does it help scan the column name to recognize a dataclass?

ericgerstner · Answer

The field helps correlat the column name. Recommend some abreviation that corresponds to column name - to include CUS for CUSIP

1	Grant Rollerson SUNCORP CORPORATE SERVICES PTY LTD
2	Tom Friesen Algonquin College
3	SB S Benson Plus3 IT
4	S stefan_busch
5	Brian Lloyd USA TODAY Co.
6	D daverichard