diff --git a/li.strolch.service/src/main/java/li/strolch/execution/EventBasedExecutionHandler.java b/li.strolch.service/src/main/java/li/strolch/execution/EventBasedExecutionHandler.java
index a56e92131..eff777436 100644
--- a/li.strolch.service/src/main/java/li/strolch/execution/EventBasedExecutionHandler.java
+++ b/li.strolch.service/src/main/java/li/strolch/execution/EventBasedExecutionHandler.java
@@ -12,13 +12,13 @@ import li.strolch.agent.api.ObserverEvent;
 import li.strolch.agent.api.StrolchRealm;
 import li.strolch.execution.command.ArchiveActivityCommand;
 import li.strolch.execution.policy.ExecutionPolicy;
-import li.strolch.model.log.LogMessage;
-import li.strolch.model.log.LogMessageState;
-import li.strolch.model.log.LogSeverity;
 import li.strolch.handler.operationslog.OperationsLog;
 import li.strolch.model.*;
 import li.strolch.model.activity.Action;
 import li.strolch.model.activity.Activity;
+import li.strolch.model.log.LogMessage;
+import li.strolch.model.log.LogMessageState;
+import li.strolch.model.log.LogSeverity;
 import li.strolch.model.parameter.StringParameter;
 import li.strolch.persistence.api.StrolchTransaction;
 import li.strolch.privilege.model.Certificate;
@@ -123,6 +123,20 @@ public class EventBasedExecutionHandler extends ExecutionHandler {
 		toExecution(controller);
 	}
 
+	@Override
+	public void toExecution(String realm, Locator activityLoc) {
+		ExecutionHandlerState state = this.statesByRealm.getOrDefault(realm, ExecutionHandlerState.Running);
+		if (state == ExecutionHandlerState.HaltNew)
+			throw new IllegalStateException(
+					"ExecutionHandler state is " + state + ", can not add activities for execution!");
+
+		Controller controller = this.controllers.getElement(realm, activityLoc);
+		if (controller == null)
+			throw new IllegalStateException("No controller registered for activity " + activityLoc);
+
+		toExecution(controller);
+	}
+
 	@Override
 	public void removeFromExecution(Controller controller) {
 		if (this.controllers.removeElement(controller.getRealm(), controller.getLocator()) != null) {
@@ -222,8 +236,8 @@ public class EventBasedExecutionHandler extends ExecutionHandler {
 
 		runAsAgent(ctx -> getContainer().getRealmNames().forEach(realm -> {
 			try (StrolchTransaction tx = openTx(realm, ctx.getCertificate(), false)) {
-				Resource executionHandlerConfig = tx
-						.getResourceBy(TYPE_CONFIGURATION, ExecutionHandler.class.getSimpleName());
+				Resource executionHandlerConfig = tx.getResourceBy(TYPE_CONFIGURATION,
+						ExecutionHandler.class.getSimpleName());
 				if (executionHandlerConfig == null) {
 					this.statesByRealm.put(realm, ExecutionHandlerState.Running);
 				} else {
@@ -256,8 +270,8 @@ public class EventBasedExecutionHandler extends ExecutionHandler {
 	@Override
 	public void setState(Certificate cert, String realm, ExecutionHandlerState state) {
 		try (StrolchTransaction tx = openTx(realm, cert, false)) {
-			Resource executionHandlerConfig = tx
-					.getResourceBy(TYPE_CONFIGURATION, ExecutionHandler.class.getSimpleName());
+			Resource executionHandlerConfig = tx.getResourceBy(TYPE_CONFIGURATION,
+					ExecutionHandler.class.getSimpleName());
 			if (executionHandlerConfig == null) {
 				executionHandlerConfig = new Resource(ExecutionHandler.class.getSimpleName(),
 						"ExecutionHandler Configuration", TYPE_CONFIGURATION);
diff --git a/li.strolch.service/src/main/java/li/strolch/execution/ExecutionHandler.java b/li.strolch.service/src/main/java/li/strolch/execution/ExecutionHandler.java
index 976155840..da52c62d2 100644
--- a/li.strolch.service/src/main/java/li/strolch/execution/ExecutionHandler.java
+++ b/li.strolch.service/src/main/java/li/strolch/execution/ExecutionHandler.java
@@ -102,10 +102,21 @@ public abstract class ExecutionHandler extends StrolchComponent {
 	 * @param realm
 	 * 		the realm where the {@link Activity} resides
 	 * @param activity
-	 * 		the the {@link Activity}
+	 * 		the {@link Activity}
 	 */
 	public abstract void toExecution(String realm, Activity activity);
 
+	/**
+	 * Triggers the execution of the given {@link Activity}'s {@link Locator}. If the {@link Controller} is available,
+	 * then it is triggered
+	 *
+	 * @param realm
+	 * 		the realm where the {@link Activity} resides
+	 * @param activityLoc
+	 * 		the {@link Locator} for the activity to execute
+	 */
+	public abstract void toExecution(String realm, Locator activityLoc);
+
 	/**
 	 * Removes the given {@link Controller} from execution, so it is not executed further
 	 *