diff --git a/src/main/java/mops/gruppen2/config/Gruppen2Config.java b/src/main/java/mops/gruppen2/config/Gruppen2Config.java
index 1f8b305..815ecc4 100644
--- a/src/main/java/mops/gruppen2/config/Gruppen2Config.java
+++ b/src/main/java/mops/gruppen2/config/Gruppen2Config.java
@@ -17,10 +17,4 @@ public class Gruppen2Config {
     GroupService groupService;
     @Autowired
     EventService eventService;
-
-    @Bean
-    public List<Group> groups() throws EventException {
-        return groupService.projectEventList(eventService.findAllEvents());
-    }
-
 }
diff --git a/src/main/java/mops/gruppen2/controller/APIController.java b/src/main/java/mops/gruppen2/controller/APIController.java
new file mode 100644
index 0000000..832f6b3
--- /dev/null
+++ b/src/main/java/mops/gruppen2/controller/APIController.java
@@ -0,0 +1,44 @@
+package mops.gruppen2.controller;
+
+
+import com.github.javafaker.Faker;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiParam;
+import mops.gruppen2.domain.Exceptions.EventException;
+import mops.gruppen2.domain.Group;
+import mops.gruppen2.domain.ProductSwaggerExample;
+import mops.gruppen2.domain.event.Event;
+import mops.gruppen2.service.EventService;
+import mops.gruppen2.service.GroupService;
+import mops.gruppen2.service.SerializationService;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Ein Beispiel für eine API mit Swagger.
+ */
+@RestController
+@RequestMapping("/gruppen2")
+public class APIController {
+
+    private final SerializationService serializationService;
+    private final EventService eventService;
+    private final GroupService groupService;
+
+    public APIController(SerializationService serializationService, EventService eventService, GroupService groupService) {
+        this.serializationService = serializationService;
+        this.eventService = eventService;
+        this.groupService = groupService;
+    }
+
+    @GetMapping("/updatedGroups/{status}")
+    @ApiOperation(value = "Gibt alle Gruppen zurück in denen sich etwas geändert hat")
+    public List<Group> updateGroup(@ApiParam("Status des Anfragestellers")  @PathVariable Long status) throws EventException {
+        List<Event> events = eventService.getNewEvents(status);
+        return groupService.projectEventList(events);
+    }
+
+
+}
diff --git a/src/main/java/mops/gruppen2/controller/SwaggerAPIController.java b/src/main/java/mops/gruppen2/controller/SwaggerAPIController.java
deleted file mode 100644
index 33faab8..0000000
--- a/src/main/java/mops/gruppen2/controller/SwaggerAPIController.java
+++ /dev/null
@@ -1,54 +0,0 @@
-package mops.gruppen2.controller;
-
-
-import com.github.javafaker.Faker;
-import io.swagger.annotations.ApiOperation;
-import io.swagger.annotations.ApiParam;
-import mops.gruppen2.domain.ProductSwaggerExample;
-import mops.gruppen2.service.SerializationService;
-import org.springframework.web.bind.annotation.*;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Ein Beispiel für eine API mit Swagger.
- */
-@RestController
-@RequestMapping("/products")
-public class SwaggerAPIController {
-
-    private final Faker faker = new Faker();
-    private final List<ProductSwaggerExample> products = new ArrayList<>();
-    private final SerializationService serializationService;
-
-    public SwaggerAPIController(SerializationService serializationService) {
-        this.serializationService = serializationService;
-    }
-
-    @GetMapping("/get/all")
-    @ApiOperation(value = "Erzeugt eine Liste mit allen gespeicherten Produkten")
-    public List<ProductSwaggerExample> getProducts() {
-        return products;
-    }
-
-    @GetMapping("/get/{index}")
-    public ProductSwaggerExample getProduct(@ApiParam("Produkt Index")  @PathVariable int index) {
-        return products.get(index);
-    }
-
-    @PostMapping("/save")
-    public String saveProduct(@RequestBody  ProductSwaggerExample product) {
-        products.add(product);
-
-        return "Product saved successfully";
-    }
-
-    @PostMapping("/random")
-    public String saveRandomProduct() {
-        products.add(new ProductSwaggerExample(faker.food().ingredient(), "Empty"));
-
-        return "Product saved successfully";
-    }
-
-}
diff --git a/src/main/java/mops/gruppen2/repository/EventRepository.java b/src/main/java/mops/gruppen2/repository/EventRepository.java
index bb9947b..57b39b5 100644
--- a/src/main/java/mops/gruppen2/repository/EventRepository.java
+++ b/src/main/java/mops/gruppen2/repository/EventRepository.java
@@ -1,9 +1,14 @@
 package mops.gruppen2.repository;
 
 import mops.gruppen2.domain.EventDTO;
+import mops.gruppen2.domain.event.Event;
+import org.springframework.data.jdbc.repository.query.Query;
 import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
 @Repository
 public interface EventRepository extends CrudRepository<EventDTO, Long> {
+    @Query("SELECT * FROM event WHERE event_id > ?#{[0]}")
+    public Iterable<EventDTO> findNewEventSinceStatus(@Param("status") Long status);
 }
diff --git a/src/main/java/mops/gruppen2/service/EventService.java b/src/main/java/mops/gruppen2/service/EventService.java
index 0111ea0..aba10cc 100644
--- a/src/main/java/mops/gruppen2/service/EventService.java
+++ b/src/main/java/mops/gruppen2/service/EventService.java
@@ -4,6 +4,7 @@ import com.fasterxml.jackson.core.JsonProcessingException;
 import mops.gruppen2.domain.EventDTO;
 import mops.gruppen2.domain.event.Event;
 import mops.gruppen2.repository.EventRepository;
+import org.bouncycastle.jcajce.provider.asymmetric.ec.KeyFactorySpi;
 import org.springframework.stereotype.Service;
 
 import java.util.ArrayList;
@@ -52,16 +53,24 @@ public class EventService {
         return tmpId;
     }
 
-    public List<Event> findAllEvents() {
-        Iterable<EventDTO> eventDTOS =  eventStore.findAll();
+
+    public List<Event> getNewEvents(Long status){
+        Iterable<EventDTO> eventDTOS = eventStore.findNewEventSinceStatus(status);
+
+        return translateEventDTOs(eventDTOS);
+    }
+
+    private List<Event> translateEventDTOs(Iterable<EventDTO> eventDTOS){
         List<Event> events = new ArrayList<>();
-        eventDTOS.forEach(eventDTO -> {
+
+        for (EventDTO eventDTO : eventDTOS) {
             try {
                 events.add(serializationService.deserializeEvent(eventDTO.getEvent_payload()));
-            } catch (JsonProcessingException e) {
+
+            }catch (JsonProcessingException e) {
                 e.printStackTrace();
             }
-        });
+        }
         return events;
     }