# publisher(for:on:) Generates a publisher for events of the specified type. ``` @MainActor @preconcurrency func publisher(for event: E.Type, on sourceObject: (any EventSource)? = nil) -> Scene.Publisher where E : Event ``` ## Parameters `event` The event, like `SceneEvents.Update.self`. `sourceObject` The source of the event. Set to `nil` to publish all events of the given type within the scene. ## Return Value A publisher for events of the specified type. --- 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)