# 4.3.0 2022-04-06

* [design] add [flow](/experience?id=flow-experience) and [effect](/experience?id=effect-decorator-experience). * [design] add experience, set `process.env.AGENT_REDUCER_EXPERIENCE` to `OPEN`, can use the experience features.
filefoxper · Apr 6, 2022 · 370c544 · 370c544
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diff --git a/docs/api.md b/docs/api.md
@@ -631,13 +631,13 @@ Listen the model state change, and do something to complete work.
 export declare function addEffect<S=any, T extends Model<S> = Model>(
     effectCallback:EffectCallback<S>,
     target:T,
-    method?:keyof T|((...args:any[])=>any),
+    method?:keyof T|((...args:any[])=>any)|'*',
 ):EffectWrap<S, T>;
 ```
 
 * effectCallback - the function to process the effect of state change, the function returns void or a destroy function which is always called before the effectCallback works again or when the effect is unmounted.
 * target - a model instance or agent as a listening target.
-* method - optional, if you want filter the state change from specific method, you can add it.
+* method - optional, if you want filter the state change from specific method, you can add it. When this param is `*`, it means the effect listen to all the method state changes. 
 
 It returns a `effect` object, which provides `update` and `unmount` methods. The `update` method can be used to update effectCallback, and the `unmount` method can be used to unmount effect manually from model instance.
 

diff --git a/docs/changes.md b/docs/changes.md
@@ -175,4 +175,9 @@ in this version, `runtime.cache` used in MiddleWare is independent.
 
 # 4.2.5 2022-03-22
 
-* [bug] repair the problem about when all the connections from agents are disconnected, the method effect may still work, and change state, if it is a asynchronous method. 
+* [bug] repair the problem about when all the connections from agents are disconnected, the method effect may still work, and change state, if it is a asynchronous method. 
+
+# 4.3.0 2022-04-06
+
+* [design] add [flow](/experience?id=flow-experience) and [effect](/experience?id=effect-decorator-experience).
+* [design] add experience, set `process.env.AGENT_REDUCER_EXPERIENCE` to `OPEN`, can use the experience features.