diff --git a/Modules/MicX/Mic/src/Mic.K.swift b/Modules/MicX/Mic/src/Mic.K.swift
index e3893eb..869eb58 100644
--- a/Modules/MicX/Mic/src/Mic.K.swift
+++ b/Modules/MicX/Mic/src/Mic.K.swift
@@ -1,6 +1,7 @@
 public extension Mic {
   enum K {
     public static let activityDate = "Mic.activityDate"
+    public static let activityDates = "Mic.activityDates"
     public static let isActive = "Mic.isActive"
     public static let MI = "Mic.Model.Item"
     public static let timeout = "Mic.timeout"
diff --git a/src/App.swift b/src/App.swift
index 098ebf2..ec542ad 100644
--- a/src/App.swift
+++ b/src/App.swift
@@ -102,6 +102,18 @@ class AppDelegate: UIResponder, UIApplicationDelegate
   }
     
   func testMic4() {
-        
+    let ad1 = [
+      "1": Date().addingTimeInterval(3),
+      "2": Date().addingTimeInterval(5),
+    ]
+    Bus.send(Mic.K.activityDates, ad1)
+
+    DispatchQueue.main.asyncAfter(deadline: .now() + 2) {
+      let ad2 = [
+        "1": Date().addingTimeInterval(3),
+        "4": Date().addingTimeInterval(5),
+      ]
+      Bus.send(Mic.K.activityDates, ad2)
+    }
   }
 }