diff --git a/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiTaskBase.java b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiTaskBase.java
index e54a6f7..0591d35 100644
--- a/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiTaskBase.java
+++ b/src/src/main/java/com/my/graphiteDigesterBg/diframe/DiTaskBase.java
@@ -3,6 +3,10 @@ import com.my.graphiteDigesterBg.diframe.model.DiMdbTaskExecution;
 import com.my.graphiteDigesterBg.diframe.model.DiMdbUser;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 abstract public class DiTaskBase implements DiTask {
     // logger
@@ -19,6 +23,8 @@ abstract public class DiTaskBase implements DiTask {
     private DiMdbUser user;
     // execution
     private final DiMdbTaskExecution execution;
+    // action results
+    private final Map<String, DiTaskAction> actions = new HashMap<>();
 
     // constructor
     public DiTaskBase() {
@@ -143,4 +149,26 @@ abstract public class DiTaskBase implements DiTask {
         DiActuator actuator = this.getDevice().getActuators().get(actuatorKey);
         return clazz.cast(actuator);
     }
+
+    // wait for action
+    public DiTaskAction waitAction(String name) {
+        var action = new DiTaskAction();
+        action.name = name;
+        this.actions.put(name, action);
+
+        var waitAction = this.actions.get(name);
+        synchronized (waitAction) {
+            try {
+                waitAction.wait();
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+        }
+        return waitAction;
+    }
+
+    // get action
+    public DiTaskAction getAction(String name) {
+        return this.actions.get(name);
+    }
 }