eventDuration A key that identifies the duration of an event. Declarationstatic let eventDuration: CHHapticPattern.Key See AlsoHaptic Pattern KeyseventeventParameterseventTypeeventWaveformLoopEnabledeventWaveformPatheventWaveformUseVolumeEnvelopeparameterparameterCurveparameterCurveControlPointsparameterIDparameterValuepatterntimeversion