Values_0.AttributeAggregationFunctionSourceAggregation for attributes.
type nonrec t = {simpleAttributeAggregation : SimpleAttributeAggregationFunction.t option;The built-in aggregation functions for attributes. UNIQUE_VALUE: Returns the unique value for a field, aggregated by the dimension fields.
*)valueForMultipleValues : String_.t option;Used by the UNIQUE_VALUE aggregation function. If there are multiple values for the field used by the aggregation, the value for this property will be returned instead. Defaults to '*'.
*)}