unity-event

To add a persistent listener to a Unity Button onClick event, you specify the target GameObject and the exact component method name. This allows editor-time configuration of UnityEvent callbacks without manual inspector interactions.

You can copy UnityEvent listeners between GameObjects by indexing existing persistent listeners and applying batch operations. This transfers target configurations and method calls reliably across components for UI workflow automation.

Inspecting persistent listeners on a UnityEvent involves retrieving the listener count and indexing each target. This displays all configured component methods and call states attached to events like Button.onClick.

Editing UnityEvent persistent listeners distinguishes runtime invocation from editor edits. Modifications to call states and listener configurations apply to editor-time persistent callbacks, requiring exact component and method names.

The best way to batch update UI button onClick handlers is using bulk addition and copy operations for persistent listeners. This automates migrating and auditing UnityEvent targets across multiple GameObjects efficiently.

Adding a UnityEvent listener requires exact method names because persistent callbacks rely on precise reflection of component methods. Inaccurate names prevent the editor from successfully attaching the listener to the target GameObject.