diff --git a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudEingang.java b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudEingang.java
index 44a7ef648bcca610b308301db58dbe9afd9b82ad..b77ede0a5c071a1960d6a3dacbf6269dd757c826 100644
--- a/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudEingang.java
+++ b/api-lib-core/src/main/java/de/ozgcloud/apilib/vorgang/OzgCloudEingang.java
@@ -6,6 +6,7 @@ import de.ozgcloud.apilib.file.OzgCloudFile;
 import de.ozgcloud.apilib.file.OzgCloudFileGroup;
 import lombok.Builder;
 import lombok.Getter;
+import lombok.Singular;
 import lombok.ToString;
 
 @Builder
@@ -14,13 +15,17 @@ import lombok.ToString;
 public class OzgCloudEingang {
 
 	@ToString.Include
-	private OzgCloudEingangHeader header;
-	private OzgCloudAntragsteller antragsteller;
+	@Builder.Default
+	private OzgCloudEingangHeader header = OzgCloudEingangHeader.builder().build();
+	@Builder.Default
+	private OzgCloudAntragsteller antragsteller = OzgCloudAntragsteller.builder().build();
 	@ToString.Include
 	private OzgCloudZustaendigeStelle zustaendigeStelle;
 
 	private List<OzgCloudFormDataEntry> formDataEntrys;
 
+	@Singular
 	private List<OzgCloudFileGroup> attachments;
+	@Singular
 	private List<OzgCloudFile> representations;
 }
diff --git a/ozg-cloud-spring-boot-starter/src/main/java/de/ozgcloud/client/autoconfigure/OzgCloudClientAutoConfiguration.java b/ozg-cloud-spring-boot-starter/src/main/java/de/ozgcloud/client/autoconfigure/OzgCloudClientAutoConfiguration.java
index 0fada0b00719ab624172d3dad90f7f33f27e2dbb..de90768eab0aaaf249f37c15984fd4f19a08290d 100644
--- a/ozg-cloud-spring-boot-starter/src/main/java/de/ozgcloud/client/autoconfigure/OzgCloudClientAutoConfiguration.java
+++ b/ozg-cloud-spring-boot-starter/src/main/java/de/ozgcloud/client/autoconfigure/OzgCloudClientAutoConfiguration.java
@@ -25,13 +25,11 @@ import de.ozgcloud.apilib.common.command.grpc.CommandMapper;
 import de.ozgcloud.apilib.common.command.grpc.GrpcOzgCloudCommandService;
 import de.ozgcloud.apilib.file.dummy.DummyOzgCloudFileService;
 import de.ozgcloud.apilib.file.grpc.GrpcOzgCloudFileService;
-import de.ozgcloud.apilib.vorgang.OzgCloudVorgangIdMapperImpl;
+import de.ozgcloud.apilib.vorgang.OzgCloudVorgangIdMapper;
 import de.ozgcloud.apilib.vorgang.OzgCloudVorgangService;
 import de.ozgcloud.apilib.vorgang.dummy.DummyVorgangService;
 import de.ozgcloud.apilib.vorgang.grpc.GrpcOzgCloudVorgangService;
-import de.ozgcloud.apilib.vorgang.grpc.OzgCloudEingangMapperImpl;
 import de.ozgcloud.apilib.vorgang.grpc.OzgCloudVorgangMapper;
-import de.ozgcloud.apilib.vorgang.grpc.OzgCloudVorgangMapperImpl;
 import de.ozgcloud.apilib.vorgang.grpc.OzgCloudVorgangStubMapper;
 import net.devh.boot.grpc.client.autoconfigure.GrpcClientAutoConfiguration;
 import net.devh.boot.grpc.client.config.GrpcChannelProperties;
@@ -41,10 +39,10 @@ import net.devh.boot.grpc.client.inject.GrpcClient;
 @AutoConfiguration(before = GrpcClientAutoConfiguration.class)
 @ComponentScan("de.ozgcloud.client.autoconfigure")
 @Import({
-	GrpcOzgCloudFileService.class, DummyOzgCloudFileService.class,
-	OzgCloudCallContextAttachingInterceptor.class,
-	OzgCloudVorgangMapperImpl.class, OzgCloudEingangMapperImpl.class, OzgCloudVorgangIdMapperImpl.class
+		GrpcOzgCloudFileService.class, DummyOzgCloudFileService.class,
+		OzgCloudCallContextAttachingInterceptor.class
 })
+
 public class OzgCloudClientAutoConfiguration {
 
 	private static final String CLIENT_NAME_VORGANG_MANAGER = "vorgang-manager";
@@ -58,10 +56,10 @@ public class OzgCloudClientAutoConfiguration {
 	@Autowired
 	private OzgCloudCommandManagerProperties commandManagerProperties;
 
-	@Bean
-	@ConditionalOnProperty("ozgcloud.vorgang-manager.address")
-	GrpcChannelsProperties channelProperties() {
-		var properties = new GrpcChannelsProperties();
+	//	@Bean
+	//	@ConditionalOnProperty("ozgcloud.vorgang-manager.address")
+	GrpcChannelsProperties channelProperties(GrpcChannelsProperties properties) {
+		//		var properties = new GrpcChannelsProperties();
 		var clientMap = properties.getClient();
 
 		addVorgangManager(clientMap);
@@ -71,6 +69,15 @@ public class OzgCloudClientAutoConfiguration {
 		return properties;
 	}
 
+	@Bean
+	@ConditionalOnProperty("ozgcloud.command-manager.address")
+	GrpcChannelsProperties commandProperties() {
+		var properties = new GrpcChannelsProperties();
+		var clientMap = properties.getClient();
+		addCommandManager(clientMap);
+		return properties;
+	}
+
 	private void addVorgangManager(Map<String, GrpcChannelProperties> clientMap) {
 		var channelProps = new GrpcChannelProperties();
 		channelProps.setAddress(vorgangManagerProperties.getAddress());
@@ -101,9 +108,39 @@ public class OzgCloudClientAutoConfiguration {
 		return new DefaultOzgCloudCallContextProvider(ctxt);
 	}
 
+	@Bean("ozgCloudVorgangService")
+	@ConditionalOnProperty("ozgcloud.vorgang-manager.address")
+	OzgCloudVorgangService grpcOzgCloudVorgangService(VorgangServiceBlockingStub vorgangServiceStub,
+		OzgCloudVorgangMapper mapper,
+		OzgCloudVorgangStubMapper stubMapper, OzgCloudCallContextProvider contextProvider) {
+
+		return new GrpcOzgCloudVorgangService(vorgangServiceStub, mapper, stubMapper, contextProvider);
+	}
+
+	@Bean
+	OzgCloudVorgangMapper ozgCloudVorgangMapper() {
+		return Mappers.getMapper(OzgCloudVorgangMapper.class);
+	}
+
+	@Bean
+	OzgCloudVorgangStubMapper ozgCloudVorgangStubMapper() {
+		return Mappers.getMapper(OzgCloudVorgangStubMapper.class);
+	}
+
+	@Bean("ozgCloudVorgangService")
+	@ConditionalOnMissingBean(OzgCloudVorgangService.class)
+	OzgCloudVorgangService dummyOzgCloudVorgangService() {
+		return new DummyVorgangService();
+	}
+
+	@Bean
+	OzgCloudVorgangIdMapper ozgCloudVorgangIdMapper() {
+		return Mappers.getMapper(OzgCloudVorgangIdMapper.class);
+	}
+
 	@Bean
 	@ConditionalOnProperty("ozgcloud.command-manager.address")
-	OzgCloudCommandService grpcCommandService(@GrpcClient("command-manager") CommandServiceBlockingStub commandServiceStub,
+	OzgCloudCommandService grpcOzgCloudCommandService(@GrpcClient("command-manager") CommandServiceBlockingStub commandServiceStub,
 		CommandMapper commandMapper, OzgCloudCallContextProvider contextProvider) {
 		return new GrpcOzgCloudCommandService(commandServiceStub, commandMapper, contextProvider,
 			GrpcOzgCloudCommandService.DEFAULT_COMMAND_REQUEST_THRESHOLD_MILLIS);
@@ -126,17 +163,4 @@ public class OzgCloudClientAutoConfiguration {
 	AlfaService alfaService() {
 		return new DummyAlfaService();
 	}
-
-	@Bean("ozgCloudVorgangService")
-	@ConditionalOnProperty("ozgcloud.vorgang-manager.address")
-	public OzgCloudVorgangService grpcOzgCloudVorgangService(VorgangServiceBlockingStub vorgangServiceStub, OzgCloudVorgangMapper mapper,
-		OzgCloudVorgangStubMapper stubMapper, OzgCloudCallContextProvider contextProvider) {
-		return new GrpcOzgCloudVorgangService(vorgangServiceStub, mapper, stubMapper, contextProvider);
-	}
-
-	@Bean("ozgCloudVorgangService")
-	@ConditionalOnMissingBean(OzgCloudVorgangService.class)
-	public OzgCloudVorgangService dummyOzgCloudVorgangService() {
-		return new DummyVorgangService();
-	}
 }