diff --git a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/requests/BaseRequest.java b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/requests/BaseRequest.java
index 91c0b0c..bad3de3 100644
--- a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/requests/BaseRequest.java
+++ b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/requests/BaseRequest.java
@@ -1,9 +1,11 @@
 package org.gcube.application.cms.plugins.requests;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ser.Serializers;
 import lombok.*;
 import org.bson.Document;
 import org.gcube.application.cms.plugins.faults.InvalidPluginRequestException;
+import org.gcube.application.cms.serialization.Serialization;
 import org.gcube.application.geoportal.common.faults.InvalidRequestException;
 import org.gcube.application.geoportal.common.model.document.accounting.Context;
 import org.gcube.application.geoportal.common.model.document.accounting.User;
@@ -39,7 +41,11 @@ public class BaseRequest {
 
     public static final String getMandatory(String param,Document params) throws InvalidPluginRequestException {
         if(params==null || params.isEmpty()|| !params.containsKey(param)) throw new InvalidPluginRequestException("Missing mandatory parameter "+param);
-        return params.getString(param);
+        try {
+            return Serialization.write(params.get(param));
+        } catch (JsonProcessingException e) {
+            throw new InvalidPluginRequestException(e);
+        }
     }
 
     public BaseRequest validate() throws InvalidPluginRequestException {
diff --git a/geoportal-service/src/main/java/org/gcube/application/geoportal/service/engine/mongo/ProfiledMongoManager.java b/geoportal-service/src/main/java/org/gcube/application/geoportal/service/engine/mongo/ProfiledMongoManager.java
index 5cf9310..38c7368 100644
--- a/geoportal-service/src/main/java/org/gcube/application/geoportal/service/engine/mongo/ProfiledMongoManager.java
+++ b/geoportal-service/src/main/java/org/gcube/application/geoportal/service/engine/mongo/ProfiledMongoManager.java
@@ -874,6 +874,7 @@ public class ProfiledMongoManager extends MongoManager implements MongoManagerI<
             log.info("[UseCaseDescriptor {}] triggering event {} on {}" , useCaseDescriptor.getId(),event,getManager().getDescriptor());
             AccountingInfo user= UserUtils.getCurrent().asInfo();
             EventExecutionRequest request= new EventExecutionRequest(useCaseDescriptor,user.getUser(),user.getContext(),project,event);
+            request.setCallParameters(parameters);
             log.debug("Triggering {}",request);
             DocumentHandlingReport report = getManager().onEvent(request);
             return report.prepareResult();
diff --git a/geoportal-service/src/test/java/org/gcube/application/geoportal/service/profiledDocuments/AbstractProfiledDocumentsTests.java b/geoportal-service/src/test/java/org/gcube/application/geoportal/service/profiledDocuments/AbstractProfiledDocumentsTests.java
index 75ec6dd..8dbeedd 100644
--- a/geoportal-service/src/test/java/org/gcube/application/geoportal/service/profiledDocuments/AbstractProfiledDocumentsTests.java
+++ b/geoportal-service/src/test/java/org/gcube/application/geoportal/service/profiledDocuments/AbstractProfiledDocumentsTests.java
@@ -98,10 +98,14 @@ public abstract class AbstractProfiledDocumentsTests extends BasicServiceTestUni
 	}
 
 	protected void delete(String id) throws Exception {
-		check(baseTarget().path(id).request(MediaType.APPLICATION_JSON).
+		delete(id,false);
+	}
+
+	protected void delete(String id,Boolean force) throws Exception {
+		check(baseTarget().path(id).queryParam("force",force).request(MediaType.APPLICATION_JSON).
 				delete(), null);
 	}
-	
+
 	
 	protected Project update(String id, Document newContent)throws Exception {
 		Project doc = check(baseTarget().path(id).request(MediaType.APPLICATION_JSON).
diff --git a/geoportal-service/src/test/java/org/gcube/application/geoportal/service/profiledDocuments/DummyProjectTest.java b/geoportal-service/src/test/java/org/gcube/application/geoportal/service/profiledDocuments/DummyProjectTest.java
index c745372..df4df74 100644
--- a/geoportal-service/src/test/java/org/gcube/application/geoportal/service/profiledDocuments/DummyProjectTest.java
+++ b/geoportal-service/src/test/java/org/gcube/application/geoportal/service/profiledDocuments/DummyProjectTest.java
@@ -75,7 +75,7 @@ public class DummyProjectTest extends AbstractProfiledDocumentsTests{
     @Test
     public void testDelete() throws Exception {
         assumeTrue(GCubeTest.isTestInfrastructureEnabled());
-        delete(createWithFileSet().getId());
+        delete(createWithFileSet().getId(),true);
     }