Instance Property


A Boolean value that indicates whether the timer is currently valid.


var isValid: Bool { get }


true if the receiver is still capable of firing or false if the timer has been invalidated and is no longer capable of firing.

See Also

Retrieving Timer Information

var fireDate: Date

The date at which the timer will fire.

var timeInterval: TimeInterval

The timer’s time interval, in seconds.

var userInfo: Any?

The receiver's userInfo object.