unity-event

Development

Wire UnityEvent persistent listeners at editor time — add, remove, and configure serialized event callbacks on components. Use when hooking up UnityEvents in the Inspector, wiring button or trigger callbacks, or scripting persistent listener setup, even if the user just says "事件绑定" or "按钮点击". 在编辑器期连接 UnityEvent 持久化监听器(在组件上添加、移除、配置序列化的事件回调);当用户要在 Inspector 里挂接 UnityEvent、连接按钮或触发器回调、或脚本化设置持久监听时使用。

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How to use this skill

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Source SKILL.md: https://github.com/Besty0728/Unity-Skills/blob/HEAD/SkillsForUnity/unity-skills~/skills/event/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/unity-event/. Do not write files or run scripts until I approve.

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Event Skills

Inspect and modify persistent listeners on UnityEvents (e.g. Button.onClick, Toggle.onValueChanged) — the same listeners you see in the Inspector's event drop slots.

Operating Mode

Approval：查询类 skill（event_get_listeners / event_list_events / event_get_listener_count，源码标 SkillMode.SemiAuto）直接执行；其余变更/调用类（event_add_listener / event_set_listener / event_set_listener_state / event_invoke / event_add_listener_batch / event_copy_listeners，标 SkillMode.FullAuto）需用户 grant，grant 后服务端一步执行返结果。
Auto / Bypass：未被禁列表拦截的 skill 直接执行。
本模块含 Delete 类 skill：event_remove_listener、event_clear_listeners 标记为 SkillOperation.Delete，被 IsForbiddenInSemi 静态拦截 —— 仅 Bypass 模式或加入 Allowlist 才能调用。
event_invoke 只在 Play mode / runtime 下有效；编辑器空跑时仅触发 EditorAndRuntime 监听。event_add_listener 等写入的是 persistent listener（序列化到 prefab/scene），即可在编辑器时配置。

DO NOT (common hallucinations):

event_create / event_trigger do not exist → UnityEvents are declared in component source code; this module only wires listeners
event_subscribe does not exist → use event_add_listener
event_remove does not exist → use event_remove_listener
event_add_listener requires exact component type and method name on the target

Routing:

For XR interaction events → use xr module's xr_add_interaction_event
For C# event code → write via script module

Skills

`event_get_listeners`

Get persistent listeners of a UnityEvent. Parameters:

name / instanceId / path: Target GameObject locator.
componentName (string): Component name.
eventName (string): Event field name (e.g. "onClick").

`event_add_listener`

Add a persistent listener to a UnityEvent (Editor time). Parameters:

name / instanceId / path, componentName, eventName: Target event.
targetObjectName, targetComponentName, methodName: Method to call.
mode (string, optional): "RuntimeOnly", "EditorAndRuntime", "Off".
argType (string, optional): "void", "int", "float", "string", "bool".
floatArg, intArg, stringArg, boolArg: Argument value if needed.

`event_remove_listener`

Remove a persistent listener by index. Parameters:

name / instanceId / path, componentName, eventName: Target event.
index (int): Listener index.

`event_invoke`

Invoke a UnityEvent explicitly (Runtime only). Parameters:

name / instanceId / path, componentName, eventName: Target event.

`event_clear_listeners`

Remove all persistent listeners from a UnityEvent.

Parameter	Type	Required	Default	Description
name	string	No	null	GameObject name
instanceId	int	No	0	GameObject instance ID
path	string	No	null	GameObject hierarchy path
componentName	string	No	null	Component name
eventName	string	No	null	Event field name (e.g. "onClick")

Returns: { success, removed }

`event_set_listener_state`

Set a listener's call state (Off, RuntimeOnly, EditorAndRuntime).

Parameter	Type	Required	Default	Description
name	string	No	null	GameObject name
instanceId	int	No	0	GameObject instance ID
path	string	No	null	GameObject hierarchy path
componentName	string	No	null	Component name
eventName	string	No	null	Event field name
index	int	No	0	Listener index
state	string	No	null	Call state: "Off", "RuntimeOnly", or "EditorAndRuntime"

Returns: { success, index, state }

`event_set_listener`

Replace a persistent listener at a specific index.

Parameter	Type	Required	Default	Description
name	string	No	null	GameObject name
instanceId	int	No	0	GameObject instance ID
path	string	No	null	GameObject hierarchy path
componentName	string	No	null	Source component name
eventName	string	No	null	Event field name
index	int	No	0	Listener index to replace
targetName	string	No	null	Target GameObject name
targetInstanceId	int	No	0	Target GameObject instance ID
targetPath	string	No	null	Target hierarchy path
targetComponentName	string	No	null	Target component name, or `GameObject`
methodName	string	No	null	Public method or `set_PropertyName`
mode	string	No	RuntimeOnly	Off, RuntimeOnly, or EditorAndRuntime
argType	string	No	void	void, int, float, string, bool, object
floatArg	float	No	0	Static float argument
intArg	int	No	0	Static int argument
stringArg	string	No	null	Static string argument
boolArg	bool	No	false	Static bool argument
objectReferenceName	string	No	null	Scene object argument name
objectReferenceInstanceId	int	No	0	Scene object argument instance ID
objectReferencePath	string	No	null	Scene object argument path
objectAssetPath	string	No	null	Project asset argument path
objectType	string	No	null	Object/component type for object argument

Returns: { success, index, target, targetType, method, state, argType }

`event_list_events`

List all UnityEvent fields on a component.

Parameter	Type	Required	Default	Description
name	string	No	null	GameObject name
instanceId	int	No	0	GameObject instance ID
path	string	No	null	GameObject hierarchy path
componentName	string	No	null	Component name

Returns: { success, component, count, events }

`event_add_listener_batch`

Add multiple listeners at once. items: JSON array of {targetObjectName, targetComponentName, methodName}.

Parameter	Type	Required	Default	Description
name	string	No	null	GameObject name
instanceId	int	No	0	GameObject instance ID
path	string	No	null	GameObject hierarchy path
componentName	string	No	null	Component name
eventName	string	No	null	Event field name
items	string	No	null	JSON array of {targetObjectName, targetComponentName, methodName}

Returns: { success, added, total }

`event_copy_listeners`

Copy listeners from one event to another.

Parameter	Type	Required	Default	Description
sourceObject	string	Yes	-	Source GameObject name
sourceComponent	string	Yes	-	Source component name
sourceEvent	string	Yes	-	Source event field name
targetObject	string	Yes	-	Target GameObject name
targetComponent	string	Yes	-	Target component name
targetEvent	string	Yes	-	Target event field name

Returns: { success, copied }

`event_get_listener_count`

Get the number of persistent listeners on a UnityEvent.

Parameter	Type	Required	Default	Description
name	string	No	null	GameObject name
instanceId	int	No	0	GameObject instance ID
path	string	No	null	GameObject hierarchy path
componentName	string	No	null	Component name
eventName	string	No	null	Event field name

Returns: { success, count }

Exact Signatures

Exact names, parameters, defaults, and returns are defined by GET /skills/schema or unity_skills.get_skill_schema(), not by this file.