OptionaldescriptionHuman-readable description of what this column represents
OptionaldisplayHuman-readable display name for headers, labels, and tooltips
Field name in the row data — the key used to access the value: row[field]
OptionalsqlSQL base type — source of truth for formatting in MJ
OptionalsqlFull SQL type with precision/scale: 'decimal(18,2)', 'nvarchar(255)'
OptionalwidthColumn width in pixels (hint for renderers)
Base column descriptor. The minimum information needed to describe a column of data: what it's called, what type it is, how to display it.