diff --git a/samples/userInfo/build.hxml b/samples/userInfo/build.hxml
new file mode 100644
index 0000000..579d763
--- /dev/null
+++ b/samples/userInfo/build.hxml
@@ -0,0 +1,5 @@
+-main Main
+-cp src
+#-lib bindx2
+-cp ../../src
+--interp
\ No newline at end of file
diff --git a/samples/userInfo/src/Main.hx b/samples/userInfo/src/Main.hx
new file mode 100644
index 0000000..c518ec7
--- /dev/null
+++ b/samples/userInfo/src/Main.hx
@@ -0,0 +1,27 @@
+package ;
+
+class Main {
+    static function main() {
+        var user = new UserModel("deep", 100);
+        var view = new UserView();
+        view.user = user; 
+        //> TextField::text changed to: Hello deep. You have 100 coins
+        //> user health changed from null to 1
+        
+        user.coins = 200; //> TextField::text changed to: Hello deep. You have 200 coins
+        
+        //user.health = 0.5; //> user health changed from 1 to 0.5
+        
+        view.user = null;
+        
+        user.name = "profelis";
+        
+        view.user = user;
+        //> TextField::text changed to: Hello profelis. You have 200 coins
+        //> user health changed from null to 1
+        
+        view.user.coins = 300; //> TextField::text changed to: Hello profelis. You have 300 coins
+        
+        user.health = 0.75; //> user health changed from 1 to 0.75
+    }
+}
\ No newline at end of file
diff --git a/samples/userInfo/src/UserModel.hx b/samples/userInfo/src/UserModel.hx
new file mode 100644
index 0000000..5375d2d
--- /dev/null
+++ b/samples/userInfo/src/UserModel.hx
@@ -0,0 +1,17 @@
+package ;
+
+import bindx.IBindable;
+
+@:bindable
+class UserModel implements IBindable
+{
+    public var name:String;
+    public var coins:Int;
+    
+    public var health:Float = 1;
+    
+    public function new(name:String, coins:Int) {
+        this.name = name;
+        this.coins = coins;
+    }
+}
\ No newline at end of file
diff --git a/samples/userInfo/src/UserView.hx b/samples/userInfo/src/UserView.hx
new file mode 100644
index 0000000..0656420
--- /dev/null
+++ b/samples/userInfo/src/UserView.hx
@@ -0,0 +1,52 @@
+package ;
+
+import bindx.Bind;
+import bindx.BindxExt;
+
+class UserView {
+    
+    @:isVar public var user(default, set):UserModel;
+    
+    var textField = new TextField();
+    
+    var unbindOldUser:Void->Void;
+    
+    function set_user(value) {
+        if (user != null) {
+            Bind.unbind(user.health, onHealthChange);
+        }
+        if (unbindOldUser != null) {
+            unbindOldUser();
+            unbindOldUser = null;
+        }
+        
+        user = value;
+        if (user != null) {
+            // BindExt.exprTo auto dispatch first time
+            unbindOldUser = BindExt.exprTo("Hello " + user.name + ". You have " + user.coins + " coins", this.textField.text);
+            
+            Bind.bind(user.health, onHealthChange);
+            // manual dispatch
+            onHealthChange(null, user.health);
+        }
+        return value;
+    }
+    
+    function onHealthChange(from:Null<Float>, to:Null<Float>) {
+        trace('user health changed from $from to $to');
+    }
+    
+    public function new() {}
+}
+
+
+class TextField {
+    @:isVar public var text(default, set):String;
+    
+    function set_text(value) {
+        trace("TextField::text changed to: " + value);
+        return text = value;
+    }
+    
+    public function new() {}
+}
\ No newline at end of file