OptionalcalculatedOptionalidThe unique ID of the column.
A string representing the unique caption of the table column. This is what shall be displayed in the header row in the UI, and is referenced through functions. This name shall be unique per table.
OptionaltotalsWhat this column totals: a SUBTOTAL function number (101 to 110; 109 is sum) that
totals this column, or a formula without its leading =.
OptionaltotalsThe text shown in the totals row for this column. A column with a totalsRowFormula shows that instead.
The formula a calculated column gives its rows, without its leading
=, as it reads in the column's first body row.