Per-event emission. The accumulator emits one snapshot per source
event push. This is the default for accumulators that don't specify
a trigger; calling Trigger.event() explicitly is useful for
documentation but produces the same behavior as omitting the option.
Per-event emission. The accumulator emits one snapshot per source event push. This is the default for accumulators that don't specify a trigger; calling
Trigger.event()explicitly is useful for documentation but produces the same behavior as omitting the option.