diff --git a/src/main/java/mops/gruppen2/entities/Gruppe.java b/src/main/java/mops/gruppen2/entities/Gruppe.java
index 19369b2..bb5944f 100644
--- a/src/main/java/mops/gruppen2/entities/Gruppe.java
+++ b/src/main/java/mops/gruppen2/entities/Gruppe.java
@@ -2,6 +2,8 @@ package mops.gruppen2.entities;
 
 import lombok.Data;
 import mops.gruppen2.events.CreateGroupEvent;
+import mops.gruppen2.events.UpdateGroupDescriptionEvent;
+import mops.gruppen2.events.UpdateGroupTitleEvent;
 
 import java.util.List;
 
@@ -18,4 +20,12 @@ public class Gruppe extends Aggregat {
 		this.beschreibung = event.getBeschreibung();
 		this.teilnehmersList= null;
 	}
+
+	public void applyEvent(UpdateGroupTitleEvent event) {
+		this.titel = event.getTitel();
+	}
+
+	public void applyEvent(UpdateGroupDescriptionEvent event) {
+		this.beschreibung = event.getBeschreibung();
+	}
 }
diff --git a/src/main/java/mops/gruppen2/events/UpdateGroupDescriptionEvent.java b/src/main/java/mops/gruppen2/events/UpdateGroupDescriptionEvent.java
new file mode 100644
index 0000000..5f629ed
--- /dev/null
+++ b/src/main/java/mops/gruppen2/events/UpdateGroupDescriptionEvent.java
@@ -0,0 +1,13 @@
+package mops.gruppen2.events;
+
+import lombok.Getter;
+
+@Getter
+public class UpdateGroupDescriptionEvent extends Event {
+    String beschreibung;
+
+    public UpdateGroupDescriptionEvent(long id, long gruppe_id, long user_id, String beschreibung) {
+        super(id, gruppe_id, user_id);
+        this.beschreibung = beschreibung;
+    }
+}
diff --git a/src/main/java/mops/gruppen2/events/UpdateGroupTitleEvent.java b/src/main/java/mops/gruppen2/events/UpdateGroupTitleEvent.java
new file mode 100644
index 0000000..10d100b
--- /dev/null
+++ b/src/main/java/mops/gruppen2/events/UpdateGroupTitleEvent.java
@@ -0,0 +1,13 @@
+package mops.gruppen2.events;
+
+import lombok.Getter;
+
+@Getter
+public class UpdateGroupTitleEvent extends Event {
+    String titel;
+
+    public UpdateGroupTitleEvent(long id, long gruppe_id, long user_id, String titel) {
+        super(id, gruppe_id, user_id);
+        this.titel = titel;
+    }
+}