diff --git a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/LifecycleManager.java b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/LifecycleManager.java
index 88f3adb..5777d12 100644
--- a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/LifecycleManager.java
+++ b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/LifecycleManager.java
@@ -1,9 +1,11 @@
 package org.gcube.application.cms.plugins;
 
+import org.gcube.application.cms.plugins.faults.EventException;
 import org.gcube.application.cms.plugins.faults.StepException;
-import org.gcube.application.cms.plugins.reports.ExecutionReport;
+import org.gcube.application.cms.plugins.reports.EventExecutionReport;
+import org.gcube.application.cms.plugins.reports.StepExecutionReport;
+import org.gcube.application.cms.plugins.requests.EventExecutionRequest;
 import org.gcube.application.cms.plugins.requests.StepExecutionRequest;
-import org.gcube.application.geoportal.common.model.document.ProfiledDocument;
 import org.gcube.application.geoportal.common.model.rest.Configuration;
 import org.gcube.application.geoportal.common.model.rest.ConfigurationException;
 
@@ -12,7 +14,9 @@ public interface LifecycleManager extends InitializablePlugin{
 
     // Lifecycle operations
 
-    public ExecutionReport performStep(StepExecutionRequest request)throws StepException;
+    public StepExecutionReport performStep(StepExecutionRequest request)throws StepException;
 
     public Configuration getCurrentConfiguration() throws ConfigurationException;
+
+    public EventExecutionReport onEvent(EventExecutionRequest request) throws EventException;
 }
diff --git a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/MaterializationPlugin.java b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/MaterializationPlugin.java
new file mode 100644
index 0000000..47bbbf9
--- /dev/null
+++ b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/MaterializationPlugin.java
@@ -0,0 +1,11 @@
+package org.gcube.application.cms.plugins;
+
+import org.gcube.application.cms.plugins.faults.MaterializationException;
+import org.gcube.application.cms.plugins.reports.MaterializationReport;
+import org.gcube.application.cms.plugins.requests.MaterializationRequest;
+
+public interface MaterializationPlugin extends InitializablePlugin{
+
+    public MaterializationReport materialize(MaterializationRequest request) throws MaterializationException;
+
+}
diff --git a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/faults/EventException.java b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/faults/EventException.java
new file mode 100644
index 0000000..f80cea8
--- /dev/null
+++ b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/faults/EventException.java
@@ -0,0 +1,23 @@
+package org.gcube.application.cms.plugins.faults;
+
+public class EventException extends Exception{
+
+    public EventException() {
+    }
+
+    public EventException(String message) {
+        super(message);
+    }
+
+    public EventException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public EventException(Throwable cause) {
+        super(cause);
+    }
+
+    public EventException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}
diff --git a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/faults/MaterializationException.java b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/faults/MaterializationException.java
new file mode 100644
index 0000000..b1127f9
--- /dev/null
+++ b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/faults/MaterializationException.java
@@ -0,0 +1,23 @@
+package org.gcube.application.cms.plugins.faults;
+
+public class MaterializationException extends Exception {
+
+    public MaterializationException() {
+    }
+
+    public MaterializationException(String message) {
+        super(message);
+    }
+
+    public MaterializationException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public MaterializationException(Throwable cause) {
+        super(cause);
+    }
+
+    public MaterializationException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}
diff --git a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/EventExecutionReport.java b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/EventExecutionReport.java
new file mode 100644
index 0000000..1a29078
--- /dev/null
+++ b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/EventExecutionReport.java
@@ -0,0 +1,15 @@
+package org.gcube.application.cms.plugins.reports;
+
+import lombok.Data;
+import org.bson.Document;
+import org.gcube.application.cms.plugins.requests.EventExecutionRequest;
+import org.gcube.application.geoportal.common.model.document.ProfiledDocument;
+import org.gcube.application.geoportal.common.model.profile.Profile;
+
+@Data
+public class EventExecutionReport {
+
+    private EventExecutionRequest request;
+    private ProfiledDocument result;
+
+}
diff --git a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/InitializationReport.java b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/InitializationReport.java
index 58638ae..e951f22 100644
--- a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/InitializationReport.java
+++ b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/InitializationReport.java
@@ -1,6 +1,6 @@
 package org.gcube.application.cms.plugins.reports;
 
-public class InitializationReport {
+public class InitializationReport extends Report{
 
 
 }
diff --git a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/MaterializationReport.java b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/MaterializationReport.java
new file mode 100644
index 0000000..1d409ba
--- /dev/null
+++ b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/MaterializationReport.java
@@ -0,0 +1,5 @@
+package org.gcube.application.cms.plugins.reports;
+
+public class MaterializationReport extends Report{
+
+}
diff --git a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/ExecutionReport.java b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/StepExecutionReport.java
similarity index 56%
rename from cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/ExecutionReport.java
rename to cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/StepExecutionReport.java
index dadbcd1..a6adeb8 100644
--- a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/ExecutionReport.java
+++ b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/reports/StepExecutionReport.java
@@ -1,14 +1,20 @@
 package org.gcube.application.cms.plugins.reports;
 
 import lombok.Data;
+import org.gcube.application.cms.plugins.requests.EventExecutionRequest;
 import org.gcube.application.cms.plugins.requests.StepExecutionRequest;
-import org.gcube.application.geoportal.common.model.document.LifecycleInformation;
 import org.gcube.application.geoportal.common.model.document.ProfiledDocument;
 
+import java.util.List;
+
 @Data
-public class ExecutionReport {
+public class StepExecutionReport {
 
     StepExecutionRequest request;
 
     ProfiledDocument result;
+
+    List<EventExecutionRequest> toTriggerEvents;
+
+    List<StepExecutionRequest> cascadeSteps;
 }
diff --git a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/requests/EventExecutionRequest.java b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/requests/EventExecutionRequest.java
new file mode 100644
index 0000000..a10efbf
--- /dev/null
+++ b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/requests/EventExecutionRequest.java
@@ -0,0 +1,23 @@
+package org.gcube.application.cms.plugins.requests;
+
+import lombok.Data;
+import lombok.extern.slf4j.Slf4j;
+import org.bson.Document;
+import org.gcube.application.geoportal.common.model.document.ProfiledDocument;
+import org.gcube.application.geoportal.common.model.profile.Profile;
+
+@Data
+public class EventExecutionRequest {
+
+    public static class Events{
+        public static final String ON_INIT_DOCUMENT="@@@INIT_DOCUMENT@@";
+        public static final String ON_UPDATE_DOCUMENT="@@@UPDATE_DOCUMENT@@";
+        public static final String ON_DELETE_DOCUMENT="@@@DELETE_DOCUMENT@@";
+    }
+
+    Profile profile;
+    ProfiledDocument document;
+    String event;
+    Document callParameters;
+
+}
diff --git a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/requests/MaterializationRequest.java b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/requests/MaterializationRequest.java
new file mode 100644
index 0000000..3d24730
--- /dev/null
+++ b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/requests/MaterializationRequest.java
@@ -0,0 +1,14 @@
+package org.gcube.application.cms.plugins.requests;
+
+import lombok.Data;
+import org.bson.Document;
+import org.gcube.application.geoportal.common.model.document.ProfiledDocument;
+import org.gcube.application.geoportal.common.model.profile.Profile;
+
+@Data
+public class MaterializationRequest {
+
+    ProfiledDocument document;
+    Document parameters;
+    Profile profile;
+}
diff --git a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/requests/StepExecutionRequest.java b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/requests/StepExecutionRequest.java
index 41fef59..2bcb157 100644
--- a/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/requests/StepExecutionRequest.java
+++ b/cms-plugin-framework/src/main/java/org/gcube/application/cms/plugins/requests/StepExecutionRequest.java
@@ -9,9 +9,6 @@ import org.gcube.application.geoportal.common.model.profile.Profile;
 public class StepExecutionRequest {
 
     public static class Steps{
-        public static final String ON_INIT_DOCUMENT="@@@INIT_DOCUMENT@@";
-        public static final String ON_UPDATE_DOCUMENT="@@@UPDATE_DOCUMENT@@";
-        public static final String ON_DELETE_DOCUMENT="@@@DELETE_DOCUMENT@@";
 
         public static final String ON_MATERIALIZE_DOCUMENT="@@@MATERIALIZE_DOCUMENT@@";
         public static final String ON_DEMATERIALIZE_DOCUMENT="@@@DEMATERIALIZE_DOCUMENT@@";