# scheduledTimer(timeInterval:target:selector:userInfo:repeats:) Creates a timer and schedules it on the current run loop in the default mode. ``` class func scheduledTimer(timeInterval ti: TimeInterval, target aTarget: Any, selector aSelector: Selector, userInfo: Any?, repeats yesOrNo: Bool) -> Timer ``` ## Parameters `ti` The number of seconds between firings of the timer. If `ti` is less than or equal to `0.0`, this method chooses the nonnegative value of `0.0001` seconds instead. `aTarget` The object to which to send the message specified by `aSelector` when the timer fires. The timer maintains a strong reference to `target` until it (the timer) is invalidated. `aSelector` The message to send to `target` when the timer fires. The selector should have the following signature: `timerFireMethod:` (including a colon to indicate that the method takes an argument). The timer passes itself as the argument, thus the method would adopt the following pattern: ```objc - (void)timerFireMethod:(NSTimer *)timer ``` `userInfo` The user info for the timer. The timer maintains a strong reference to this object until it (the timer) is invalidated. This parameter may be `nil`. `yesOrNo` If , the timer will repeatedly reschedule itself until invalidated. If , the timer will be invalidated after it fires. ## Return Value A new `NSTimer` object, configured according to the specified parameters. ## Discussion After `ti` seconds have elapsed, the timer fires, sending the message `aSelector` to `target`. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)