OptionalColumnHeader titles for dimension/time columns, keyed by column; unlisted columns show their key.
OptionalComparisonOptional column name indicating whether a row belongs to the current or comparison period. When not supplied but ComparisonWindow is true, rows are split across available time intervals.
OptionalComparisonWhether to calculate comparison window deltas
Columns to group rows by
OptionalGrainTime grain for the timeColumn (e.g., 'hour' or 'day')
OptionalHiddenDimension columns that take part in grouping but are not displayed — e.g. group by an ID and its display name, show only the name, and still have the ID on each output row.
Measures to aggregate per group
OptionalTimeOptional date/time column to bucket
Full configuration for computing a pivot table over query rows.