# init(for:events:name:bindTarget:blendLayer:repeatMode:fillMode:trimStart:trimEnd:trimDuration:offset:delay:speed:) Constructs an action animation that generates events at user defined times. ``` init(for action: ActionType, events: [ActionAnimation.EventDefinitionType], name: String = "", bindTarget: BindTarget? = nil, blendLayer: Int32 = 0, repeatMode: AnimationRepeatMode = .none, fillMode: AnimationFillMode = [], trimStart: TimeInterval? = nil, trimEnd: TimeInterval? = nil, trimDuration: TimeInterval? = nil, offset: TimeInterval = 0, delay: TimeInterval = 0, speed: Float = 1.0) ``` ## Parameters `action` The user action. `events` An array of event definitions defining when each action event occurs. `name` The name of the animation. `bindTarget` A textual name that identifies the particular property that animates. `blendLayer` The order in which the framework composites the animation into the view. `repeatMode` An option that determines how the animation repeats. `fillMode` The playback behavior outside of the normal duration. `trimStart` The optional time, in seconds, at which the animation plays. `trimEnd` The optional time, in seconds, at which the animation stops. `trimDuration` An optional duration that overrides the calculated duration. `offset` The time, in seconds, at which the animation begins within the duration. `delay` An amount of time that lapses before the animation plays. `speed` A factor that changes the animation’s rate of playback. --- 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)