MetricCalculationHandler
MetricCalculationHandler = (
event) =>number|null
Defined in: builder/metric.ts:49
Returns the numerical value of an event. This is an optional handler that can be supplied when adding events to a metric. If not supplied, each event simply maps to “1” (i.e. it is a count). If this handler returns null, the event is ignored and filtered out.
Parameters
Section titled “Parameters”AlpyneEvent
Returns
Section titled “Returns”number | null