diff --git a/src/main/java/io/gravitee/repository/mongodb/management/internal/model/GroupEventRuleMongo.java b/src/main/java/io/gravitee/repository/mongodb/management/internal/model/GroupEventRuleMongo.java
new file mode 100644
index 00000000..d7722cae
--- /dev/null
+++ b/src/main/java/io/gravitee/repository/mongodb/management/internal/model/GroupEventRuleMongo.java
@@ -0,0 +1,39 @@
+/**
+ * Copyright (C) 2015 The Gravitee team (http://gravitee.io)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.gravitee.repository.mongodb.management.internal.model;
+
+/**
+ * @author Nicolas GERAUD (nicolas.geraud at graviteesource.com) 
+ * @author GraviteeSource Team
+ */
+public class GroupEventRuleMongo {
+    private String event;
+
+    public String getEvent() {
+        return event;
+    }
+
+    public void setEvent(String event) {
+        this.event = event;
+    }
+
+    @Override
+    public String toString() {
+        return "GroupEventRule{" +
+                ", event='" + event + '\'' +
+                "}";
+    }
+}
diff --git a/src/main/java/io/gravitee/repository/mongodb/management/internal/model/GroupMongo.java b/src/main/java/io/gravitee/repository/mongodb/management/internal/model/GroupMongo.java
index c56e2cf8..4e1d3f27 100644
--- a/src/main/java/io/gravitee/repository/mongodb/management/internal/model/GroupMongo.java
+++ b/src/main/java/io/gravitee/repository/mongodb/management/internal/model/GroupMongo.java
@@ -31,6 +31,7 @@ public class GroupMongo extends Auditable {
     private String type;
     private String name;
     private List<String> administrators;
+    private List<GroupEventRuleMongo> eventRules;
 
     public String getId() {
         return id;
@@ -56,6 +57,14 @@ public void setName(String name) {
         this.name = name;
     }
 
+    public List<GroupEventRuleMongo> getEventRules() {
+        return eventRules;
+    }
+
+    public void setEventRules(List<GroupEventRuleMongo> eventRules) {
+        this.eventRules = eventRules;
+    }
+
     public List<String> getAdministrators() {
         return administrators;
     }
diff --git a/src/main/java/io/gravitee/repository/mongodb/management/mapper/GraviteeDozerMapper.java b/src/main/java/io/gravitee/repository/mongodb/management/mapper/GraviteeDozerMapper.java
index 499c2fbe..97d8cc7d 100644
--- a/src/main/java/io/gravitee/repository/mongodb/management/mapper/GraviteeDozerMapper.java
+++ b/src/main/java/io/gravitee/repository/mongodb/management/mapper/GraviteeDozerMapper.java
@@ -23,6 +23,8 @@
 
 import org.dozer.DozerBeanMapper;
 import org.dozer.MappingException;
+import org.dozer.config.BeanContainer;
+import org.dozer.util.DefaultClassLoader;
 
 /**
  * @author David BRASSELY (david.brassely at graviteesource.com)
@@ -32,6 +34,7 @@ public class GraviteeDozerMapper extends DozerBeanMapper implements GraviteeMapp
 
 	public GraviteeDozerMapper(){
 		super.addMapping(getClass().getResourceAsStream("/dozer.xml"));
+		BeanContainer.getInstance().setClassLoader(new RepositoryDozerClassLoader());
 	}
 	
 	public  <T> T map(Object source, Class<T> destinationClass) throws MappingException{
diff --git a/src/main/java/io/gravitee/repository/mongodb/management/mapper/RepositoryDozerClassLoader.java b/src/main/java/io/gravitee/repository/mongodb/management/mapper/RepositoryDozerClassLoader.java
new file mode 100644
index 00000000..b9403cdf
--- /dev/null
+++ b/src/main/java/io/gravitee/repository/mongodb/management/mapper/RepositoryDozerClassLoader.java
@@ -0,0 +1,51 @@
+/**
+ * Copyright (C) 2015 The Gravitee team (http://gravitee.io)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.gravitee.repository.mongodb.management.mapper;
+
+import org.apache.commons.lang3.ClassUtils;
+import org.dozer.util.DozerClassLoader;
+import org.dozer.util.MappingUtils;
+import org.dozer.util.ResourceLoader;
+
+import java.net.URL;
+
+/**
+ * @author David BRASSELY (david.brassely at graviteesource.com)
+ * @author GraviteeSource Team
+ */
+public class RepositoryDozerClassLoader implements DozerClassLoader {
+
+    private final ResourceLoader resourceLoader = new ResourceLoader();
+    private final ClassLoader classLoader = this.getClass().getClassLoader();
+
+    public RepositoryDozerClassLoader() {}
+
+    public Class<?> loadClass(String className) {
+        Class result = null;
+
+        try {
+            result = ClassUtils.getClass(classLoader, className);
+        } catch (ClassNotFoundException var4) {
+            MappingUtils.throwMappingException(var4);
+        }
+
+        return result;
+    }
+
+    public URL loadResource(String uri) {
+        return this.resourceLoader.getResource(uri);
+    }
+}