tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/adapter/out/web/ExternalTaskExecutedWebAdapter.java

@@ -44,7 +44,7 @@ public class ExternalTaskExecutedWebAdapter implements ExternalTaskExecutedEvent
             op2 = new JSONObject()
             .put("op", "add")
             .put("path", "/outputData")
-            .put("value", "0");
+            .put("value", externalTaskExecutedEvent.getOutputData());
         } catch (JSONException e) {
             logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
             return;