SignalExportColumn

dimensionGroup
Type: string | null
required

The dimension values it's split by, as Group=value (the dimension's group, else its path), with two dimensions joined by , ; null when the spec has no dimensions.
name
Type: string
required

The column's name, its key in JSON rows and its heading in CSV.
signalGroup
Type: string
required

The group of the signal it counts.