diff --git a/common/src/main/java/de/ozgcloud/eingang/common/formdata/FormData.java b/common/src/main/java/de/ozgcloud/eingang/common/formdata/FormData.java
index 27d668debea6b1b69e56f327dcdea56493b4515d..44a034a849e5b5a34f20f4a369122aac82cf6d80 100644
--- a/common/src/main/java/de/ozgcloud/eingang/common/formdata/FormData.java
+++ b/common/src/main/java/de/ozgcloud/eingang/common/formdata/FormData.java
@@ -54,8 +54,11 @@ public class FormData {
 	@Builder.Default
 	private Map<String, Object> formData = Collections.emptyMap();
 
+	private int numberOfAttachments;
 	@Singular
 	private List<IncomingFileGroup> attachments;
+
+	private int numberOfRepresentations;
 	@Singular
 	private List<IncomingFile> representations;
 
diff --git a/common/src/test/java/de/ozgcloud/eingang/common/formdata/FormDataTestFactory.java b/common/src/test/java/de/ozgcloud/eingang/common/formdata/FormDataTestFactory.java
index 9c684458339d32dae3862512e6be32f26ac3f21d..05bdcffff581a6e8ce7e4f56fe5d86cb53054bb0 100644
--- a/common/src/test/java/de/ozgcloud/eingang/common/formdata/FormDataTestFactory.java
+++ b/common/src/test/java/de/ozgcloud/eingang/common/formdata/FormDataTestFactory.java
@@ -65,10 +65,13 @@ public class FormDataTestFactory {
 						SUBFORM_KEY, SUBFORM_VALUE,
 						NESTED_LIST_WITH_STRINGS_KEY, NESTED_LIST_WITH_STRINGS,
 						NESTED_LIST_WITH_OBJECTS_KEY, NESTED_LIST_WITH_OBJECTS))
+				// TODO nach entfernen des zweiten Attachments den Wert auf 1 setzen
+				.numberOfAttachments(2)
 				// TODO zweites Attachment aus der TestFactory entfernen und die entsprechenden
 				// Tests anpassen
 				.attachments(List.of(IncomingFileGroupTestFactory.create(),
 						IncomingFileGroupTestFactory.createBuilder().name(ATTACHMENT_GROUP_2).build()))
+				.numberOfRepresentations(1)
 				.representations(List.of(IncomingFileTestFactory.create()));
 	}
 
diff --git a/enterprise-adapter/src/main/java/de/ozgcloud/eingang/enterprise/entry/FormDataMapper.java b/enterprise-adapter/src/main/java/de/ozgcloud/eingang/enterprise/entry/FormDataMapper.java
index 6f633b2998461a29dcf55bcc1a95c0d87699df74..4ecc509d8213d160b34c0af4e8bfc5c98afebbe3 100644
--- a/enterprise-adapter/src/main/java/de/ozgcloud/eingang/enterprise/entry/FormDataMapper.java
+++ b/enterprise-adapter/src/main/java/de/ozgcloud/eingang/enterprise/entry/FormDataMapper.java
@@ -12,6 +12,7 @@ import org.mapstruct.Mapping;
 
 import de.ozgcloud.eingang.common.formdata.FormData;
 import de.ozgcloud.eingang.common.formdata.FormHeader;
+import de.ozgcloud.eingang.common.formdata.PostfachAddressIdentifier;
 import de.ozgcloud.eingang.common.formdata.ServiceKonto.PostfachAddress;
 import de.ozgcloud.eingang.common.formdata.StringBasedIdentifier;
 import de.ozgcloud.eingang.common.formdata.ZustaendigeStelle;
@@ -25,8 +26,10 @@ public interface FormDataMapper {
 	@Mapping(target = "antragsteller", ignore = true)
 	@Mapping(target = "attachment", ignore = true)
 	@Mapping(target = "attachments", ignore = true)
+	@Mapping(target = "numberOfAttachments", ignore = true)
 	@Mapping(target = "representation", ignore = true)
 	@Mapping(target = "representations", ignore = true)
+	@Mapping(target = "numberOfRepresentations", ignore = true)
 
 	@Mapping(target = "id", ignore = true)
 	@Mapping(target = "header", source = "control")
@@ -77,12 +80,20 @@ public interface FormDataMapper {
 	}
 
 	default int toNumericType(String type) {
-		return switch (type) {
-			case "privat" -> 0;
-			case "unternehmen" -> 1;
-			case "behoerde" -> 2;
-			default -> -1;
-		};
+		switch (type) {
+		case "privat":
+			return 0;
+		case "unternehmen":
+			return 1;
+		case "behoerde":
+			return 2;
+		default:
+			return -1;
+		}
+	}
+
+	default PostfachAddressIdentifier map(String value) {
+		return StringBasedIdentifier.builder().postfachId(value).build();
 	}
 
 }
diff --git a/formcycle-adapter/formcycle-adapter-impl/src/main/java/de/ozgcloud/eingang/formcycle/FormCycleFormDataMapper.java b/formcycle-adapter/formcycle-adapter-impl/src/main/java/de/ozgcloud/eingang/formcycle/FormCycleFormDataMapper.java
index a3367f81967d01537c7862e9594c891c5ac3e2d2..40b324dbdd4cdb25229e037a426cb8f19dd9fd07 100644
--- a/formcycle-adapter/formcycle-adapter-impl/src/main/java/de/ozgcloud/eingang/formcycle/FormCycleFormDataMapper.java
+++ b/formcycle-adapter/formcycle-adapter-impl/src/main/java/de/ozgcloud/eingang/formcycle/FormCycleFormDataMapper.java
@@ -33,9 +33,11 @@ import de.ozgcloud.vorgang.common.grpc.GrpcFormDataMapper;
 public interface FormCycleFormDataMapper {
 
 	@Mapping(target = "antragsteller", ignore = true)
-	@Mapping(target = "id", ignore = true)
 	@Mapping(target = "attachment", ignore = true)
 	@Mapping(target = "attachments", ignore = true)
+	@Mapping(target = "id", ignore = true)
+	@Mapping(target = "numberOfAttachments", ignore = true)
+	@Mapping(target = "numberOfRepresentations", ignore = true)
 	@Mapping(target = "representation", ignore = true)
 	@Mapping(target = "representations", ignore = true)
 	@Mapping(target = "zustaendigeStelle.organisationseinheitenId", source = "header.organisationsEinheitId")
diff --git a/formcycle-adapter/formcycle-adapter-impl/src/main/java/de/ozgcloud/eingang/formcycle/FormDataController.java b/formcycle-adapter/formcycle-adapter-impl/src/main/java/de/ozgcloud/eingang/formcycle/FormDataController.java
index 1147f2eac92f1b21a69be5315b79d17833b48f18..06206c9f99a6bc1d9442c5452979f90090faa60a 100644
--- a/formcycle-adapter/formcycle-adapter-impl/src/main/java/de/ozgcloud/eingang/formcycle/FormDataController.java
+++ b/formcycle-adapter/formcycle-adapter-impl/src/main/java/de/ozgcloud/eingang/formcycle/FormDataController.java
@@ -49,6 +49,7 @@ import de.ozgcloud.eingang.common.formdata.ServiceKonto.PostfachAddress;
 import de.ozgcloud.eingang.common.formdata.StringBasedIdentifier;
 import de.ozgcloud.eingang.common.vorgang.VorgangNummerSupplier;
 import de.ozgcloud.eingang.semantik.SemantikAdapter;
+import de.ozgcloud.eingang.semantik.enginebased.FilesMapperHelper;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.log4j.Log4j2;
 
@@ -90,7 +91,7 @@ class FormDataController {
 
 	private FormData addRepresentations(Optional<Collection<MultipartFile>> files, FormData mappedFormData) {
 		Collection<IncomingFile> representations = buildIncomingFiles(files);
-		return mappedFormData.toBuilder().representations(representations).build();
+		return mappedFormData.toBuilder().representations(representations).numberOfRepresentations(representations.size()).build();
 	}
 
 	private Collection<IncomingFile> buildIncomingFiles(Optional<Collection<MultipartFile>> files) {
@@ -100,7 +101,7 @@ class FormDataController {
 	private FormData addFiles(FormCycleFormData inFormData, Optional<Collection<MultipartFile>> attachments, FormData mappedFormData) {
 		var groups = new AttachmentGroupsBuilder(inFormData.getAttachmentGroupList(), attachments).buildGroups();
 
-		return mappedFormData.toBuilder().attachments(groups).build();
+		return mappedFormData.toBuilder().attachments(groups).numberOfAttachments(FilesMapperHelper.countAttachedFiles(groups)).build();
 	}
 
 	private IncomingFile buildIncomingFile(MultipartFile multipartFile) {
diff --git a/formcycle-adapter/formcycle-adapter-impl/src/test/java/de/ozgcloud/eingang/formcycle/FormDataControllerTest.java b/formcycle-adapter/formcycle-adapter-impl/src/test/java/de/ozgcloud/eingang/formcycle/FormDataControllerTest.java
index c1fc281ebae3ea8d44fc70863c021b26450437c2..25a588403ce89dc7c6bfa1cd89a5972f0ef2a458 100644
--- a/formcycle-adapter/formcycle-adapter-impl/src/test/java/de/ozgcloud/eingang/formcycle/FormDataControllerTest.java
+++ b/formcycle-adapter/formcycle-adapter-impl/src/test/java/de/ozgcloud/eingang/formcycle/FormDataControllerTest.java
@@ -89,7 +89,7 @@ class FormDataControllerTest {
 
 		static final String VORGANG_NUMMER = "VorgangNummer";
 
-		private final FormData mappedFormData = FormDataTestFactory.create();
+		private FormData mappedFormData = FormDataTestFactory.create();
 
 		@Captor
 		private ArgumentCaptor<FormData> formDataCaptor;
@@ -168,7 +168,7 @@ class FormDataControllerTest {
 
 			@BeforeEach
 			void init() {
-				var formData = FormDataTestFactory.createBuilder().clearRepresentations().build();
+				var formData = FormDataTestFactory.createBuilder().clearRepresentations().numberOfRepresentations(0).build();
 				when(mapper.toFormData(any())).thenReturn(formData);
 				when(htmlCleaner.clean(any())).thenReturn(formData);
 			}
@@ -180,6 +180,7 @@ class FormDataControllerTest {
 				verify(semantikAdapter).processFormData(formDataCaptor.capture());
 				var formData = formDataCaptor.getValue();
 				assertThat(formData.getRepresentations()).hasSize(1);
+				assertThat(formData.getNumberOfRepresentations()).isEqualTo(1);
 			}
 
 			@Test
@@ -206,7 +207,7 @@ class FormDataControllerTest {
 		class Attachments {
 			@BeforeEach
 			void init() {
-				var formData = FormDataTestFactory.createBuilder().clearAttachments().build();
+				var formData = FormDataTestFactory.createBuilder().clearAttachments().numberOfAttachments(0).build();
 				when(mapper.toFormData(any())).thenReturn(formData);
 				when(htmlCleaner.clean(any())).thenReturn(formData);
 			}
@@ -219,6 +220,14 @@ class FormDataControllerTest {
 				assertThat(formDataCaptor.getValue().getAttachments()).hasSize(1);
 			}
 
+			@Test
+			void shouldSetNumberOfAttachments() {
+				doPostRequest();
+
+				verify(semantikAdapter).processFormData(formDataCaptor.capture());
+				assertThat(formDataCaptor.getValue().getNumberOfAttachments()).isEqualTo(1);
+			}
+
 		}
 
 		@SneakyThrows
@@ -361,6 +370,6 @@ class FormDataControllerTest {
 
 	private String getPostfachIdFormData(FormData formData) {
 		return ((StringBasedIdentifier) formData.getHeader().getServiceKonto().getPostfachAddresses()
-				.getFirst().getIdentifier()).getPostfachId();
+				.get(0).getIdentifier()).getPostfachId();
 	}
 }
diff --git a/formsolutions-adapter/src/main/java/de/ozgcloud/eingang/formsolutions/FormSolutionsRequestMapper.java b/formsolutions-adapter/src/main/java/de/ozgcloud/eingang/formsolutions/FormSolutionsRequestMapper.java
index 3996c20101b170aa632159011ac7d0647bff898c..1f7577426808fb799db0ff3292ad43898cf652c3 100644
--- a/formsolutions-adapter/src/main/java/de/ozgcloud/eingang/formsolutions/FormSolutionsRequestMapper.java
+++ b/formsolutions-adapter/src/main/java/de/ozgcloud/eingang/formsolutions/FormSolutionsRequestMapper.java
@@ -71,12 +71,14 @@ class FormSolutionsRequestMapper {
 				.formData(buildFormDataMap(eingang))
 				.attachments(attachmentMapper.mapAttachments(eingang.getZip()))
 				.representation(buildJsonFile(jsonFile));
+		var numberOfRepresentations = 1;
 
 		if (Objects.nonNull(eingang.getPdf())) {
 			builder.representation(buildPdfFile(eingang.getPdf()));
+			numberOfRepresentations++;
 		}
 
-		return builder.build();
+		return builder.numberOfRepresentations(numberOfRepresentations).build();
 	}
 
 	Map<String, Object> buildFormDataMap(FormSolutionsEingang eingang) {
diff --git a/formsolutions-adapter/src/test/java/de/ozgcloud/eingang/formsolutions/FormSolutionsRequestMapperTest.java b/formsolutions-adapter/src/test/java/de/ozgcloud/eingang/formsolutions/FormSolutionsRequestMapperTest.java
index 64673c04c7272bfa49113846bf17bb36e5fe8150..bbae0375f29ff23f9c5b93ffcf0843c16762689c 100644
--- a/formsolutions-adapter/src/test/java/de/ozgcloud/eingang/formsolutions/FormSolutionsRequestMapperTest.java
+++ b/formsolutions-adapter/src/test/java/de/ozgcloud/eingang/formsolutions/FormSolutionsRequestMapperTest.java
@@ -134,21 +134,21 @@ class FormSolutionsRequestMapperTest {
 			void shouldContainPanelIdentifier() {
 				var eingang = mapper.mapEingang(simpleJsonFile);
 
-				assertThat(getPanels(eingang).getFirst()).containsEntry(IDENTIFIER_KEY, PANEL_ID);
+				assertThat(getPanels(eingang).get(0)).containsEntry(IDENTIFIER_KEY, PANEL_ID);
 			}
 
 			@Test
 			void shouldContainPanelComponets() {
 				var eingang = mapper.mapEingang(simpleJsonFile);
 
-				assertThat(getPanels(eingang).getFirst().get(COMPONENTS)).isNotNull();
+				assertThat(getPanels(eingang).get(0).get(COMPONENTS)).isNotNull();
 			}
 
 			@Test
 			void shouldContainTextComponets() {
 				var eingang = mapper.mapEingang(simpleJsonFile);
 
-				assertThat(getComponents(eingang).getFirst())
+				assertThat(getComponents(eingang).get(0))
 						.containsEntry(IDENTIFIER_KEY, COMPONENT_ID)
 						.containsEntry(STRING_VALUE, COMPONENT_VALUE);
 			}
@@ -168,14 +168,14 @@ class FormSolutionsRequestMapperTest {
 				void shouldContainGroup() {
 					var eingang = mapper.mapEingang(nestedComponenetJsonFile);
 
-					assertThat(getComponents(eingang).getFirst()).containsEntry(IDENTIFIER_KEY, OBJEKTGRUPPE_0);
+					assertThat(getComponents(eingang).get(0)).containsEntry(IDENTIFIER_KEY, OBJEKTGRUPPE_0);
 				}
 
 				@Test
 				void shouldContainDateField() {
 					var eingang = mapper.mapEingang(nestedComponenetJsonFile);
 
-					assertThat(getNestedComponents(eingang).getFirst())
+					assertThat(getNestedComponents(eingang).get(0))
 							.containsEntry(IDENTIFIER_KEY, DATE_COMPONENT_ID)
 							.containsEntry(STRING_VALUE, DATE_COMPONENT_VALUE);
 				}
@@ -184,16 +184,12 @@ class FormSolutionsRequestMapperTest {
 
 		@SuppressWarnings("unchecked")
 		private List<Map<String, Object>> getComponents(FormSolutionsEingang eingang) {
-			return (List<Map<String, Object>>) getPanels(eingang).getFirst().get(COMPONENTS);
+			return (List<Map<String, Object>>) getPanels(eingang).get(0).get(COMPONENTS);
 		}
 
 		@SuppressWarnings("unchecked")
 		private List<Map<String, Object>> getNestedComponents(FormSolutionsEingang eingang) {
-			return (List<Map<String, Object>>) ((List<Map<String, Object>>) getPanels(eingang)
-					.getFirst()
-					.get(COMPONENTS))
-					.getFirst()
-					.get(COMPONENTS);
+			return (List<Map<String, Object>>) ((List<Map<String, Object>>) getPanels(eingang).get(0).get(COMPONENTS)).get(0).get(COMPONENTS);
 		}
 
 		@SuppressWarnings("unchecked")
@@ -254,6 +250,13 @@ class FormSolutionsRequestMapperTest {
 
 				assertThat(result.getRepresentations()).hasSize(2);
 			}
+
+			@Test
+			void shouldAddNumberOfRepresentations() {
+				var result = mapper.map(jsonFile);
+
+				assertThat(result.getNumberOfRepresentations()).isEqualTo(2);
+			}
 		}
 
 	}
diff --git a/intelliform-adapter/src/main/java/de/ozgcloud/eingang/intelliform/IntelliFormMapper.java b/intelliform-adapter/src/main/java/de/ozgcloud/eingang/intelliform/IntelliFormMapper.java
index 8ec4b78eb890c52cb73deb7638de95e39dd0dfdd..b073dd971016dbdf7b7930efc27309a1682eb65c 100644
--- a/intelliform-adapter/src/main/java/de/ozgcloud/eingang/intelliform/IntelliFormMapper.java
+++ b/intelliform-adapter/src/main/java/de/ozgcloud/eingang/intelliform/IntelliFormMapper.java
@@ -65,18 +65,20 @@ class IntelliFormMapper {
 
 		// Find ids of <file> attachments
 		var attachmentFileIds = findAttachmentIds(document);
+		var attachments = attachmentFileIds.stream()
+				.map(id -> getIncomingFileById(id, incomingFileMap))
+				.map(this::createSingularFileGroup)
+				.toList();
+		var representations = getNamesWithout(incomingFileMap.keySet(), attachmentFileIds).stream()
+				.map(id -> getIncomingFileById(id, incomingFileMap))
+				.toList();
 		return FormData.builder()
 				// Put each <file> attachment in a separate file group
-				.attachments(attachmentFileIds.stream()
-						.map(id -> getIncomingFileById(id, incomingFileMap))
-						.map(this::createSingularFileGroup)
-						.toList()
-				)
+				.attachments(attachments)
+				.numberOfAttachments(attachments.size())
 				// If a deposit attachment is not referenced by <file> it is interpreted as a representation
-				.representations(getNamesWithout(incomingFileMap.keySet(), attachmentFileIds).stream()
-						.map(id -> getIncomingFileById(id, incomingFileMap))
-						.toList()
-				)
+				.representations(representations)
+				.numberOfRepresentations(representations.size())
 				.build();
 	}
 
diff --git a/intelliform-adapter/src/test/java/de/ozgcloud/eingang/intelliform/IntelliFormMapperTest.java b/intelliform-adapter/src/test/java/de/ozgcloud/eingang/intelliform/IntelliFormMapperTest.java
index 6f56380d5accd9f047942a21d6546a2ec9638ead..c394c2b2ee230d008e392252f11067af34032d74 100644
--- a/intelliform-adapter/src/test/java/de/ozgcloud/eingang/intelliform/IntelliFormMapperTest.java
+++ b/intelliform-adapter/src/test/java/de/ozgcloud/eingang/intelliform/IntelliFormMapperTest.java
@@ -106,6 +106,14 @@ class IntelliFormMapperTest {
 						.toList();
 				assertThat(incomingFileIds).contains(PNG_ATTACHMENT_ID);
 			}
+
+			@DisplayName("should return with number of representations")
+			@Test
+			void shouldReturnWithNumberOfRepresentations() {
+				var formData = doMapping();
+
+				assertThat(formData.getNumberOfRepresentations()).isEqualTo(2);
+			}
 		}
 
 		@DisplayName("with empty attachments")
diff --git a/router/src/main/java/de/ozgcloud/eingang/router/GrpcEingangMapper.java b/router/src/main/java/de/ozgcloud/eingang/router/GrpcEingangMapper.java
index 965ee6f81f5bec350c14bfae7b4a324faf4ccfeb..74607f148396fb856dd86a4716f5f67f0d2f4019 100644
--- a/router/src/main/java/de/ozgcloud/eingang/router/GrpcEingangMapper.java
+++ b/router/src/main/java/de/ozgcloud/eingang/router/GrpcEingangMapper.java
@@ -23,7 +23,7 @@
  */
 package de.ozgcloud.eingang.router;
 
-import java.util.List;
+import java.util.UUID;
 
 import org.mapstruct.CollectionMappingStrategy;
 import org.mapstruct.Mapper;
@@ -32,6 +32,8 @@ import org.mapstruct.NullValueCheckStrategy;
 import org.mapstruct.NullValuePropertyMappingStrategy;
 import org.mapstruct.ReportingPolicy;
 
+import com.google.protobuf.ByteString;
+
 import de.ozgcloud.eingang.common.formdata.Antragsteller;
 import de.ozgcloud.eingang.common.formdata.FormData;
 import de.ozgcloud.eingang.common.formdata.IncomingFileGroup;
@@ -52,13 +54,15 @@ public interface GrpcEingangMapper {
 
 	@Mapping(source = "antragsteller.data", target = "antragsteller.otherData")
 	@Mapping(source = "attachments", target = "attachmentsList")
-	@Mapping(source = "attachments", target = "numberOfAttachments")
 	@Mapping(source = "representations", target = "representationsList")
-	@Mapping(source = "representations", target = "numberOfRepresentations")
 	GrpcEingang toEingang(FormData formData);
 
-	default int listToSize(List<?> list) {
-		return list.size();
+	default ByteString byteArrayToByteString(byte[] byteArray) {
+		if (byteArray == null) {
+			return null;
+		}
+
+		return ByteString.copyFrom(byteArray);
 	}
 
 	@Mapping(source = "files", target = "filesList")
@@ -77,6 +81,10 @@ public interface GrpcEingangMapper {
 
 	GrpcAntragsteller toAntragsteller(Antragsteller antragsteller);
 
+	default String uuidToString(UUID id) {
+		return id.toString();
+	}
+
 	// FIXME map representations and attachments
 	@Mapping(target = "attachment", ignore = true)
 	@Mapping(target = "attachments", ignore = true)
diff --git a/semantik-adapter/src/main/java/de/ozgcloud/eingang/semantik/enginebased/FilesMapperHelper.java b/semantik-adapter/src/main/java/de/ozgcloud/eingang/semantik/enginebased/FilesMapperHelper.java
index 5b74b88e7019d211662de352ad6327e62257fe7a..3e0ccb8a863a59546dd91ba4749b399bc5cfd952 100644
--- a/semantik-adapter/src/main/java/de/ozgcloud/eingang/semantik/enginebased/FilesMapperHelper.java
+++ b/semantik-adapter/src/main/java/de/ozgcloud/eingang/semantik/enginebased/FilesMapperHelper.java
@@ -23,8 +23,10 @@
  */
 package de.ozgcloud.eingang.semantik.enginebased;
 
+import java.util.Collection;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Optional;
 
 import de.ozgcloud.eingang.common.formdata.FormData;
@@ -53,6 +55,10 @@ public class FilesMapperHelper {
 		return getMappedFiles(formData).map(mappedFiles -> (List<IncomingFile>) mappedFiles.get(REPRESENTATIONS));
 	}
 
+	public static int countAttachedFiles(Collection<IncomingFileGroup> fileGroups) {
+		return fileGroups.stream().filter(Objects::nonNull).mapToInt(group -> group.getFiles().size()).sum();
+	}
+
 	public static FormData removeProcessedData(FormData formData) {
 		return FormDataUtils.from(formData).remove(FIELD_NAME_MAPPED_FILES).build();
 	}
diff --git a/semantik-adapter/src/main/java/de/ozgcloud/eingang/semantik/enginebased/afm/AfmAttachedFilesMapper.java b/semantik-adapter/src/main/java/de/ozgcloud/eingang/semantik/enginebased/afm/AfmAttachedFilesMapper.java
index aefaaa9778895bf73c5810d02c8679b74027e0e3..6daeceab9dfd7e9f397b46fa087792ae4dff7560 100644
--- a/semantik-adapter/src/main/java/de/ozgcloud/eingang/semantik/enginebased/afm/AfmAttachedFilesMapper.java
+++ b/semantik-adapter/src/main/java/de/ozgcloud/eingang/semantik/enginebased/afm/AfmAttachedFilesMapper.java
@@ -35,9 +35,11 @@ class AfmAttachedFilesMapper implements AfmEngineBasedMapper {
 	public FormData parseFormData(FormData formData) {
 		var formDataBuilder = formData.toBuilder();
 		FilesMapperHelper.getAttachedFileGroups(formData)
-				.ifPresent(formDataBuilder::attachments);
+				.ifPresent(fileGroups -> formDataBuilder
+						.attachments(fileGroups)
+						.numberOfAttachments(FilesMapperHelper.countAttachedFiles(fileGroups)));
 		FilesMapperHelper.getRepresentations(formData)
-				.ifPresent(formDataBuilder::representations);
+				.ifPresent(representations -> formDataBuilder.representations(representations).numberOfRepresentations(representations.size()));
 
 		return FilesMapperHelper.removeProcessedData(formDataBuilder.build());
 	}
diff --git a/semantik-adapter/src/main/java/de/ozgcloud/eingang/semantik/enginebased/formsolutions/FormSolutionsFilesMapper.java b/semantik-adapter/src/main/java/de/ozgcloud/eingang/semantik/enginebased/formsolutions/FormSolutionsFilesMapper.java
index 2258394fac564f349a94b229fa8b610e631a168e..d63b1e4f5a502a5efce7f280b107422e0ee83a64 100644
--- a/semantik-adapter/src/main/java/de/ozgcloud/eingang/semantik/enginebased/formsolutions/FormSolutionsFilesMapper.java
+++ b/semantik-adapter/src/main/java/de/ozgcloud/eingang/semantik/enginebased/formsolutions/FormSolutionsFilesMapper.java
@@ -54,7 +54,7 @@ class FormSolutionsFilesMapper implements FormSolutionsEngineBasedMapper {
 		if (attachments.isEmpty()) {
 			return formDataBuilder.build();
 		}
-		return formDataBuilder.attachments(attachments).build();
+		return formDataBuilder.attachments(attachments).numberOfAttachments(FilesMapperHelper.countAttachedFiles(attachments)).build();
 	}
 
 	List<IncomingFileGroup> readAttachments(FormData srcFormData) {
diff --git a/semantik-adapter/src/test/java/de/ozgcloud/eingang/semantik/enginebased/FilesMapperHelperTest.java b/semantik-adapter/src/test/java/de/ozgcloud/eingang/semantik/enginebased/FilesMapperHelperTest.java
index 19a6f7ef707aaaeac2a5f7044ed3d4bf852e63ba..cfbf8d3481cd4679412ceceb84f886152467c30a 100644
--- a/semantik-adapter/src/test/java/de/ozgcloud/eingang/semantik/enginebased/FilesMapperHelperTest.java
+++ b/semantik-adapter/src/test/java/de/ozgcloud/eingang/semantik/enginebased/FilesMapperHelperTest.java
@@ -35,6 +35,7 @@ import org.junit.jupiter.api.Test;
 
 import de.ozgcloud.eingang.common.formdata.FormData;
 import de.ozgcloud.eingang.common.formdata.FormDataTestFactory;
+import de.ozgcloud.eingang.common.formdata.IncomingFileGroup;
 import de.ozgcloud.eingang.common.formdata.IncomingFileGroupTestFactory;
 import de.ozgcloud.eingang.common.formdata.IncomingFileTestFactory;
 
@@ -84,7 +85,7 @@ class FilesMapperHelperTest {
 		}
 
 		@Test
-		void shouldReturnRepresentations() {
+		void souldReturnRepresentations() {
 			var incomingFileGroups = List.of(IncomingFileTestFactory.create());
 			Map<String, Object> mappedFilesMap = Map.of(FilesMapperHelper.FIELD_NAME_MAPPED_FILES,
 					Map.of(FilesMapperHelper.REPRESENTATIONS, incomingFileGroups));
@@ -104,6 +105,48 @@ class FilesMapperHelperTest {
 		}
 	}
 
+	@Nested
+	class TestAttachmentCount {
+
+		@Test
+		void shouldCountEmptyList() {
+			var counter = FilesMapperHelper.countAttachedFiles(List.of());
+
+			assertThat(counter).isZero();
+		}
+
+		@Test
+		void shouldCountNoAttachedFiles() {
+			var counter = FilesMapperHelper.countAttachedFiles(List.of(IncomingFileGroupTestFactory.createBuilder().clearFiles().build()));
+
+			assertThat(counter).isZero();
+		}
+
+		@Test
+		void shouldCountOneAttachment() {
+			var fileGroup = List.of(IncomingFileGroupTestFactory.createBuilder().file(IncomingFileTestFactory.create()).build());
+
+			var counter = FilesMapperHelper.countAttachedFiles(fileGroup);
+
+			assertThat(counter).isEqualTo(2);
+		}
+
+		@Test
+		void shouldCountAllAttachments() {
+			var counter = FilesMapperHelper.countAttachedFiles(createFileGroupsWith4Files());
+
+			assertThat(counter).isEqualTo(4);
+		}
+
+		private static List<IncomingFileGroup> createFileGroupsWith4Files() {
+			return List.of(IncomingFileGroupTestFactory.createBuilder()
+					.clearFiles()
+					.files(List.of(IncomingFileTestFactory.create(), IncomingFileTestFactory.create(), IncomingFileTestFactory.create())).build(),
+					IncomingFileGroupTestFactory.create());
+
+		}
+	}
+
 	@Nested
 	class TestRemoveProcessedData {
 
@@ -130,7 +173,9 @@ class FilesMapperHelperTest {
 			assertThat(cleanedFormData.getHeader()).isEqualTo(formData.getHeader());
 			assertThat(cleanedFormData.getZustaendigeStelle()).isEqualTo(formData.getZustaendigeStelle());
 			assertThat(cleanedFormData.getAntragsteller()).isEqualTo(formData.getAntragsteller());
+			assertThat(cleanedFormData.getNumberOfAttachments()).isEqualTo(formData.getNumberOfAttachments());
 			assertThat(cleanedFormData.getAttachments()).isEqualTo(formData.getAttachments());
+			assertThat(cleanedFormData.getNumberOfRepresentations()).isEqualTo(formData.getNumberOfRepresentations());
 			assertThat(cleanedFormData.getRepresentations()).isEqualTo(formData.getRepresentations());
 			assertThat(cleanedFormData.getFormData()).containsAllEntriesOf(formData.getFormData());
 		}
diff --git a/semantik-adapter/src/test/java/de/ozgcloud/eingang/semantik/enginebased/afm/AfmAttachedFilesMapperTest.java b/semantik-adapter/src/test/java/de/ozgcloud/eingang/semantik/enginebased/afm/AfmAttachedFilesMapperTest.java
index 8da61c1b9b45fc394f7b679db1072f067fb7195e..2643740ae163291151e0573b6b9537514ce0b831 100644
--- a/semantik-adapter/src/test/java/de/ozgcloud/eingang/semantik/enginebased/afm/AfmAttachedFilesMapperTest.java
+++ b/semantik-adapter/src/test/java/de/ozgcloud/eingang/semantik/enginebased/afm/AfmAttachedFilesMapperTest.java
@@ -34,6 +34,7 @@ import de.ozgcloud.eingang.common.formdata.IncomingFileGroup;
 import de.ozgcloud.eingang.common.formdata.IncomingFileGroupTestFactory;
 import de.ozgcloud.eingang.common.formdata.IncomingFileTestFactory;
 import de.ozgcloud.eingang.semantik.enginebased.FilesMapperHelper;
+import de.ozgcloud.eingang.semantik.enginebased.afm.AfmAttachedFilesMapper;
 
 import org.junit.jupiter.api.Nested;
 import org.junit.jupiter.api.Test;
@@ -46,13 +47,13 @@ class AfmAttachedFilesMapperTest {
 	@InjectMocks
 	private AfmAttachedFilesMapper mapper;
 
-	private final IncomingFileGroup attachmentWithMultipleFiles = IncomingFileGroupTestFactory.createBuilder()
+	private IncomingFileGroup attachmentWithMultipleFiles = IncomingFileGroupTestFactory.createBuilder()
 			.name("anotherAttachment")
 			.clearFiles()
 			.files(List.of(IncomingFileTestFactory.create(), IncomingFileTestFactory.create()))
 			.build();
 
-	private final FormData formData = FormDataTestFactory.createBuilder()
+	private FormData formData = FormDataTestFactory.createBuilder()
 			.clearAttachments()
 			.formData(Map.of(FilesMapperHelper.FIELD_NAME_MAPPED_FILES,
 					Map.of(FilesMapperHelper.ATTACHMENTS, List.of(IncomingFileGroupTestFactory.create(), attachmentWithMultipleFiles))))
@@ -70,6 +71,13 @@ class AfmAttachedFilesMapperTest {
 			assertThat(parsedFormData.getAttachments().get(1).getFiles()).hasSize(2);
 		}
 
+		@Test
+		void shouldSetNumberOfAttachments() {
+			var parsedFormData = parseFormData();
+
+			assertThat(parsedFormData.getNumberOfAttachments()).isEqualTo(3);
+		}
+
 		@Test
 		void shouldMapRepresentations() {
 			var parsedFormData = parseFormData();
@@ -77,6 +85,13 @@ class AfmAttachedFilesMapperTest {
 			assertThat(parsedFormData.getRepresentations()).hasSize(1);
 		}
 
+		@Test
+		void shouldSetNumberOfRepresentations() {
+			var parsedFormData = parseFormData();
+
+			assertThat(parsedFormData.getNumberOfRepresentations()).isEqualTo(1);
+		}
+
 		@Test
 		void shouldRemoveFilesFromMap() {
 			var parsedFormData = parseFormData();
diff --git a/semantik-adapter/src/test/java/de/ozgcloud/eingang/semantik/enginebased/formsolutions/FormSolutionsEngineBasedAdapterITCase.java b/semantik-adapter/src/test/java/de/ozgcloud/eingang/semantik/enginebased/formsolutions/FormSolutionsEngineBasedAdapterITCase.java
index d7ea810f4687a488400fb334987dce12546f2ca9..47c563508627226dac6341fe8d6e4b36f9062b70 100644
--- a/semantik-adapter/src/test/java/de/ozgcloud/eingang/semantik/enginebased/formsolutions/FormSolutionsEngineBasedAdapterITCase.java
+++ b/semantik-adapter/src/test/java/de/ozgcloud/eingang/semantik/enginebased/formsolutions/FormSolutionsEngineBasedAdapterITCase.java
@@ -35,6 +35,7 @@ import java.util.Optional;
 import org.junit.jupiter.api.Nested;
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.boot.test.mock.mockito.SpyBean;
 import org.springframework.test.context.ActiveProfiles;
 
@@ -49,6 +50,7 @@ import de.ozgcloud.eingang.common.formdata.FormData;
 import de.ozgcloud.eingang.common.formdata.FormDataTestFactory;
 import de.ozgcloud.eingang.common.formdata.IncomingFileGroupTestFactory;
 import de.ozgcloud.eingang.common.formdata.IncomingFileTestFactory;
+import de.ozgcloud.eingang.semantik.SemantikAdapter;
 import lombok.SneakyThrows;
 
 @SpringBootTest
@@ -58,15 +60,18 @@ public class FormSolutionsEngineBasedAdapterITCase {
 	private static final String ZIP_CONTENT_TYPE = "application/zip";
 	private static final String FILE_NAME_ZIP_ATTACHMENT = "formsolutions/attachment-2files.zip";
 
+	@MockBean
+	private SemantikAdapter semantikAdapter;
+
 	@SpyBean
 	private FormSolutionsEngineBasedAdapter engineAdapter;
 
-	private final ObjectMapper objectMapper = new ObjectMapper();
+	private ObjectMapper objectMapper = new ObjectMapper();
 
 	@Nested
 	class TestEngineBasedAdapter {
 
-		private final FormData formData = prepareTestData();
+		private FormData formData = prepareTestData();
 
 		@Test
 		void shouldMap() {
@@ -126,8 +131,8 @@ public class FormSolutionsEngineBasedAdapterITCase {
 			void shouldMapAttachment() {
 				var data = engineAdapter.parseFormData(formData);
 
-				assertThat(data.getAttachments()).hasSize(2);
-				assertThat(data.getAttachments().getFirst()).isNotNull();
+				assertThat(data.getAttachments().get(0)).isNotNull();
+				assertThat(data.getNumberOfAttachments()).isEqualTo(2);
 			}
 		}
 
diff --git a/xta-adapter/src/main/java/de/ozgcloud/eingang/xta/XtaMessageMapper.java b/xta-adapter/src/main/java/de/ozgcloud/eingang/xta/XtaMessageMapper.java
index 79cfdc3eefff7301f9f4daff34e7603f861710e6..8a47353450db35399e0a2117c2e99296271d5a5c 100644
--- a/xta-adapter/src/main/java/de/ozgcloud/eingang/xta/XtaMessageMapper.java
+++ b/xta-adapter/src/main/java/de/ozgcloud/eingang/xta/XtaMessageMapper.java
@@ -22,6 +22,9 @@ interface XtaMessageMapper {
 	@Mapping(target = "id", ignore = true)
 	@Mapping(target = "zustaendigeStelle", ignore = true)
 	@Mapping(target = "header", source = "metaData")
+	@Mapping(target = "numberOfAttachments", ignore = true)
+	// TODO: Eine Lösung, bei der fromData nicht zweimal gebaut wird wäre gut
+	@Mapping(target = "numberOfRepresentations", dependsOn = "representations", expression = "java(formData.build().getRepresentations().size())")
 	@Mapping(target = "representations", source = "xdomeaMessageData")
 	@Mapping(target = "representation", ignore = true)
 	@Mapping(target = "attachment", ignore = true)
diff --git a/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/FormDataTestFactory.java b/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/FormDataTestFactory.java
index 374b4de0335bdfadae06528258db5cae4e782b4c..509880984a7ee0a50eb1fa424541121e7c58909e 100644
--- a/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/FormDataTestFactory.java
+++ b/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/FormDataTestFactory.java
@@ -10,7 +10,8 @@ class FormDataTestFactory {
 
 	static FormData.FormDataBuilder createBuilder() {
 		return FormData.builder()
-				.header(FormHeaderTestFactory.create());
+				.header(FormHeaderTestFactory.create())
+				.numberOfRepresentations(1);
 	}
 
 }
diff --git a/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/XtaITCase.java b/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/XtaITCase.java
index ca04025ae7166dec4834dd0d5a8f0152b1c460c3..568e96eaecc9c54303b2f276f96f03825ad2a7c7 100644
--- a/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/XtaITCase.java
+++ b/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/XtaITCase.java
@@ -71,6 +71,7 @@ class XtaITCase {
 
 		verify(vorgangRemoteService).createVorgang(formDataCaptor.capture(), any(), any());
 		assertThat(formDataCaptor.getValue().getRepresentations()).hasSize(3);
+		assertThat(formDataCaptor.getValue().getNumberOfRepresentations()).isEqualTo(3);
 	}
 
 	@Test
@@ -79,6 +80,7 @@ class XtaITCase {
 
 		verify(vorgangRemoteService).createVorgang(formDataCaptor.capture(), any(), any());
 		assertThat(formDataCaptor.getValue().getAttachments()).isEmpty();
+		assertThat(formDataCaptor.getValue().getNumberOfAttachments()).isEqualTo(0);
 	}
 
 	@Test
diff --git a/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/XtaMessageMapperTest.java b/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/XtaMessageMapperTest.java
index 52eb46a971f9c52dd4c6289b44812a9e464695e9..d96b24823708bf07e7fa7d5252567fc9ebc52e5d 100644
--- a/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/XtaMessageMapperTest.java
+++ b/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/XtaMessageMapperTest.java
@@ -46,6 +46,13 @@ class XtaMessageMapperTest {
 			assertThat(formData.getRepresentations()).containsExactly(xdomeaMessageData.metadataFile(), xdomeaMessageData.representations().getFirst());
 		}
 
+		@Test
+		void shouldSetNumberOfRepresentations() {
+			var formData = doMapping();
+
+			assertThat(formData.getNumberOfRepresentations()).isEqualTo(2);
+		}
+
 		@Test
 		void shouldMapAttachments() {
 			var formData = doMapping();
diff --git a/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/XtaServiceITCase.java b/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/XtaServiceITCase.java
index bddfe81f7734a942b1f4e7a16545aa7c39e31516..dee42d141cdda5359f0409c13c2290927604d2e4 100644
--- a/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/XtaServiceITCase.java
+++ b/xta-adapter/src/test/java/de/ozgcloud/eingang/xta/XtaServiceITCase.java
@@ -84,6 +84,7 @@ class XtaServiceITCase {
 
 			// Expect that there are 3 files (xdomea.xml, intelliform.xml and intelliform.pdf)
 			assertThat(firstFormData.getRepresentations()).hasSize(3);
+			assertThat(firstFormData.getNumberOfRepresentations()).isEqualTo(3);
 		}
 		@DisplayName("should unzip correct number of attachments")
 		@Test