Values_1.NamedEntityDefinitionMetricSourceA structure that represents a metric.
type nonrec t = {aggregation : NamedEntityAggType.t option;The aggregation of a named entity. Valid values for this structure are SUM, MIN, MAX, COUNT, AVERAGE, DISTINCT_COUNT, STDEV, STDEVP, VAR, VARP, PERCENTILE, MEDIAN, and CUSTOM.
*)aggregationFunctionParameters : Values_0.AggregationFunctionParameters.t option;The additional parameters for an aggregation function.
*)}