diff --git a/.github/workflows/gradle-publish-package.yml b/.github/workflows/gradle-publish-package.yml
index 5d972d2..494a2cc 100644
--- a/.github/workflows/gradle-publish-package.yml
+++ b/.github/workflows/gradle-publish-package.yml
@@ -27,7 +27,7 @@ jobs:
         uses: actions/delete-package-versions@v4
         continue-on-error: true
         with:
-          package-name: 'com.sap.dsc.aas.lib.aas-transformation-library'
+          package-name: 'org.eclipse.digitaltwin.aas4j.aas4j-transformation-library'
       - name: Publish package
         run: ./gradlew -i publish
         env:
diff --git a/build.gradle b/build.gradle
index 0123bb5..5e82d27 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 /* 
-  SPDX-FileCopyrightText: (C)2021 SAP SE or an affiliate company and aas-transformation-library contributors. All rights reserved. 
+  SPDX-FileCopyrightText: (C)2021 SAP SE or an affiliate company and aas4j-transformation-library contributors. All rights reserved. 
 
   SPDX-License-Identifier: Apache-2.0 
  */
@@ -17,7 +17,7 @@ plugins {
 }
 
 group = 'org.eclipse.digitaltwin.aas4j'
-version = '0.1.2'
+version = '0.1.3'
 
 application {
     group = group
@@ -154,7 +154,7 @@ spotless {
         trimTrailingWhitespace()
         indentWithSpaces()
         endWithNewline()
-        licenseHeader('/* \n  SPDX-FileCopyrightText: (C)$YEAR SAP SE or an affiliate company and aas-transformation-library contributors. All rights reserved. \n\n  SPDX-License-Identifier: Apache-2.0 \n */','\\w')
+        licenseHeader('/* \n  SPDX-FileCopyrightText: (C)$YEAR SAP SE or an affiliate company and aas4j-transformation-library contributors. All rights reserved. \n\n  SPDX-License-Identifier: Apache-2.0 \n */','\\w')
     }
 
     // format 'xmlaml', {
@@ -162,7 +162,7 @@ spotless {
     //     trimTrailingWhitespace()
     //     indentWithSpaces()
     //     endWithNewline()
-    //     licenseHeader('<!-- \n  SPDX-FileCopyrightText: (C)$YEAR SAP SE or an affiliate company and aas-transformation-library contributors. All rights reserved. \n\n  SPDX-License-Identifier: Apache-2.0 \n -->','<[^!]')
+    //     licenseHeader('<!-- \n  SPDX-FileCopyrightText: (C)$YEAR SAP SE or an affiliate company and aas4j-transformation-library contributors. All rights reserved. \n\n  SPDX-License-Identifier: Apache-2.0 \n -->','<[^!]')
     // }
 
     java {
@@ -172,7 +172,7 @@ spotless {
         endWithNewline()
         eclipse('4.12.0').configFile 'codestyle/EclipseFormatterProfile.xml'
         importOrderFile('codestyle/EclipseOrganizeImports.importorder')
-        licenseHeader('/* \n  SPDX-FileCopyrightText: (C)$YEAR SAP SE or an affiliate company and aas-transformation-library contributors. All rights reserved. \n\n  SPDX-License-Identifier: Apache-2.0 \n */')
+        licenseHeader('/* \n  SPDX-FileCopyrightText: (C)$YEAR SAP SE or an affiliate company and aas4j-transformation-library contributors. All rights reserved. \n\n  SPDX-License-Identifier: Apache-2.0 \n */')
     }
 }
 
@@ -218,8 +218,8 @@ task buildJar (type: Jar) {
 
     exclude 'META-INF/*.RSA', 'META-INF/*.SF', 'META-INF/*.DSA', 'META-INF/NOTICE', 'META-INF/LICENSE', 'META-INF/DEPENDENCIES'
 
-    archiveExtension.set('jar')
     with jar
+    archiveExtension.set('jar')
 }
 
 task build(overwrite: true) {
@@ -228,12 +228,12 @@ task build(overwrite: true) {
 
 shadowJar {
     destinationDirectory = file("${buildDir}/distributions")
-    archiveClassifier.set("")
 
     exclude 'META-INF/*.RSA', 'META-INF/*.SF', 'META-INF/*.DSA', 'META-INF/NOTICE', 'META-INF/LICENSE', 'META-INF/LICENSE'
 
-    archiveBaseName.set("aas-transformation-library")
+    archiveBaseName.set("aas4j-transformation-library")
     archiveAppendix.set("shadow")
+    archiveClassifier.set("shadedJar")
     archiveExtension.set("jar")
 }
 
@@ -254,7 +254,7 @@ publishing {
     }
     publications {
         gpr(MavenPublication) {
-            artifact jar
+            from components.java
         }
     }
 }
@@ -266,7 +266,7 @@ dependencies {
     def mockito_version = "3.2.4"
     def dom4j_version = "2.1.3"
     def apache_poi_version = "4.1.2"
-    def jackson_version = "2.11.3"
+    def jackson_version = "2.14.2"
     def truth_version = "1.1"
     def slf4j_version = "1.7.30"
     def json_schema_validator_version = "1.0.45"
diff --git a/settings.gradle b/settings.gradle
index 5b4144a..b8158c1 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -3,4 +3,4 @@
 
   SPDX-License-Identifier: Apache-2.0 
  */
-rootProject.name = 'aas-transformation-library'
+rootProject.name = 'aas4j-transformation-library'
diff --git a/src/main/java/org/eclipse/digitaltwin/aas4j/expressions/Expressions.java b/src/main/java/org/eclipse/digitaltwin/aas4j/expressions/Expressions.java
index 1861512..4c1ec4d 100644
--- a/src/main/java/org/eclipse/digitaltwin/aas4j/expressions/Expressions.java
+++ b/src/main/java/org/eclipse/digitaltwin/aas4j/expressions/Expressions.java
@@ -6,13 +6,7 @@
 package org.eclipse.digitaltwin.aas4j.expressions;
 
 import java.nio.charset.StandardCharsets;
-import java.util.Base64;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Set;
+import java.util.*;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
@@ -21,6 +15,7 @@
 import org.dom4j.Node;
 
 import com.google.common.hash.Hashing;
+import org.eclipse.digitaltwin.aas4j.exceptions.TransformationException;
 
 public class Expressions {
 
@@ -135,6 +130,18 @@ public class Expressions {
             return Hashing.sha256().hashString(concatenated, StandardCharsets.UTF_8).toString();
         });
 
+        functions.put("generate_uuid", args ->
+                {
+                    boolean isEmpty = Helpers.valueToStream(args).allMatch(element -> element.equals(""));
+                    if (args == null || isEmpty) {
+                        return UUID.randomUUID();
+                    } else {
+                        String input = nodeListsToString(Helpers.valueToStream(args)).collect(Collectors.joining());
+                        return UUID.nameUUIDFromBytes(input.getBytes());
+                    }
+                }
+        );
+
         // string encoding
         functions.put("base64", args -> {
             Stream<Object> stream = (Stream<Object>) Helpers.valueToStream(args);
diff --git a/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/TransformationContext.java b/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/TransformationContext.java
index 4d59433..9dcf058 100644
--- a/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/TransformationContext.java
+++ b/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/TransformationContext.java
@@ -56,8 +56,8 @@ static TransformationContext buildContext(TransformationContext parentCtx, Objec
         }
         // add and/or override with template context
         if (template != null) {
-            if (template.getDefinitions() != null) {
-                build.definitions.putAll(template.getDefinitions());
+            if (template.getTemplateDefinitions() != null) {
+                build.definitions.putAll(template.getTemplateDefinitions());
             }
             if (template.getVariables() != null) {
                 template.getVariables().forEach((key, expr) -> {
diff --git a/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/model/LangStringTemplate.java b/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/model/LangStringTemplate.java
index 42ac937..7722ebd 100644
--- a/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/model/LangStringTemplate.java
+++ b/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/model/LangStringTemplate.java
@@ -38,13 +38,13 @@ public void setForeachExpression(Expression expression) {
     }
 
     @Override
-    public Map<String, Expression> getDefinitions() {
-        return template.getDefinitions();
+    public Map<String, Expression> getTemplateDefinitions() {
+        return template.getTemplateDefinitions();
     }
 
     @Override
-    public void setDefinitions(Map<String, Expression> definitions) {
-        template.setDefinitions(definitions);
+    public void setTemplateDefinitions(Map<String, Expression> definitions) {
+        template.setTemplateDefinitions(definitions);
     }
 
     @Override
diff --git a/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/model/Template.java b/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/model/Template.java
index 3bd6170..c587c1e 100644
--- a/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/model/Template.java
+++ b/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/model/Template.java
@@ -24,10 +24,10 @@ public interface Template {
     @JsonProperty("@foreach")
     void setForeachExpression(Expression expression);
 
-    Map<String, Expression> getDefinitions();
+    Map<String, Expression> getTemplateDefinitions();
 
     @JsonProperty("@definitions")
-    void setDefinitions(Map<String, Expression> definitions);
+    void setTemplateDefinitions(Map<String, Expression> definitions);
 
     Map<String, Expression> getVariables();
 
diff --git a/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/model/TemplateSupport.java b/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/model/TemplateSupport.java
index ee7f7a7..2e3d2f5 100644
--- a/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/model/TemplateSupport.java
+++ b/src/main/java/org/eclipse/digitaltwin/aas4j/mapping/model/TemplateSupport.java
@@ -53,12 +53,12 @@ public void setForeachExpression(Expression foreachExpression) {
     }
 
     @Override
-    public Map<String, Expression> getDefinitions() {
+    public Map<String, Expression> getTemplateDefinitions() {
         return definitions;
     }
 
     @Override
-    public void setDefinitions(Map<String, Expression> definitions) {
+    public void setTemplateDefinitions(Map<String, Expression> definitions) {
         this.definitions = definitions;
     }
 
diff --git a/src/test/java/org/eclipse/digitaltwin/aas4j/mapping/TransformationContextTest.java b/src/test/java/org/eclipse/digitaltwin/aas4j/mapping/TransformationContextTest.java
index df4ebce..29ecc31 100644
--- a/src/test/java/org/eclipse/digitaltwin/aas4j/mapping/TransformationContextTest.java
+++ b/src/test/java/org/eclipse/digitaltwin/aas4j/mapping/TransformationContextTest.java
@@ -26,14 +26,14 @@ void setup() {
         mockDefs1.put("myDef", Expressions.getConstantByName("pi"));
         mockTemplate1 = Mockito.mock(Template.class);
         Mockito.when(mockTemplate1.getVariables()).thenReturn(null);
-        Mockito.when(mockTemplate1.getDefinitions()).thenReturn(mockDefs1);
+        Mockito.when(mockTemplate1.getTemplateDefinitions()).thenReturn(mockDefs1);
 
         HashMap<String, Expression> mockDefs2 = new HashMap<>();
         mockDefs2.put("myDef", Expressions.getConstantByName("NaN"));
         mockDefs2.put("myDef2", Expressions.getConstantByName("e"));
         mockTemplate2 = Mockito.mock(Template.class);
         Mockito.when(mockTemplate2.getVariables()).thenReturn(null);
-        Mockito.when(mockTemplate2.getDefinitions()).thenReturn(mockDefs2);
+        Mockito.when(mockTemplate2.getTemplateDefinitions()).thenReturn(mockDefs2);
 
     }
 
diff --git a/src/test/java/org/eclipse/digitaltwin/aas4j/transform/GenericDocumentTransformerTest.java b/src/test/java/org/eclipse/digitaltwin/aas4j/transform/GenericDocumentTransformerTest.java
index fc808b5..07de68f 100644
--- a/src/test/java/org/eclipse/digitaltwin/aas4j/transform/GenericDocumentTransformerTest.java
+++ b/src/test/java/org/eclipse/digitaltwin/aas4j/transform/GenericDocumentTransformerTest.java
@@ -23,10 +23,16 @@
 
 import io.adminshell.aas.v3.model.AssetAdministrationShellEnvironment;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 class GenericDocumentTransformerTest {
 
     public static final String XML_INPUT = "src/test/resources/ua/aasfull.xml";
     public static final String JSON_CONFIG = "src/test/resources/ua/genericSampleConfig.json";
+    public static final String SPARQL_XML_INPUT = "src/test/resources/xml/groupable.xml";
+    public static final String NESTED_FOR_EACH_JSON_CONFIG = "src/test/resources/mappings/generic/nestedForEach.json";
+
 
     private InputStream testInputStream;
 
@@ -39,7 +45,6 @@ static void tearDownAfterClass() throws Exception {}
     @BeforeEach
     void setUp() throws Exception {
         TestUtils.resetBindings();
-        testInputStream = Files.newInputStream(Paths.get(XML_INPUT));
     }
 
     @AfterEach
@@ -47,6 +52,7 @@ void tearDown() throws Exception {}
 
     @Test
     void testNsBindings() throws TransformationException, IOException {
+        testInputStream = Files.newInputStream(Paths.get(XML_INPUT));
         DocumentTransformer transformer = new GenericDocumentTransformer();
 
         MappingSpecification mapping = new MappingSpecificationParser().loadMappingSpecification(JSON_CONFIG);
@@ -56,4 +62,17 @@ void testNsBindings() throws TransformationException, IOException {
         Assert.assertEquals(71, transform.getSubmodels().size());
     }
 
+    @Test
+    void testNestedForEach() throws IOException, TransformationException {
+        testInputStream = Files.newInputStream(Paths.get(SPARQL_XML_INPUT));
+        DocumentTransformer transformer = new GenericDocumentTransformer();
+
+        MappingSpecification mapping = new MappingSpecificationParser().loadMappingSpecification(NESTED_FOR_EACH_JSON_CONFIG);
+
+        AssetAdministrationShellEnvironment transform = transformer.execute(testInputStream, mapping);
+
+        assertEquals(2, transform.getSubmodels().size());
+        assertTrue(transform.getSubmodels().stream().anyMatch(sm -> sm.getIdShort().equals("131")));
+    }
+
 }
diff --git a/src/test/java/org/eclipse/digitaltwin/aas4j/ua/transform/UaIntegrationTest.java b/src/test/java/org/eclipse/digitaltwin/aas4j/ua/transform/UaIntegrationTest.java
index fe65aeb..1e4ced1 100644
--- a/src/test/java/org/eclipse/digitaltwin/aas4j/ua/transform/UaIntegrationTest.java
+++ b/src/test/java/org/eclipse/digitaltwin/aas4j/ua/transform/UaIntegrationTest.java
@@ -50,6 +50,12 @@ void testIntegration() throws Exception {
         boolean idInEnv = shellEnv.getSubmodels().stream().map(s -> s.getIdentification().getIdentifier())
                 .collect(Collectors.toList()).contains("http://exp.organization.com/UA/BigMachine/ns=4;i=1281");
         assertTrue(idInEnv);
+
+        assertEquals("407ef772-7040-3b9e-b51a-80286d1c8e49", shellEnv.getAssetAdministrationShells().get(0).getIdentification().getIdentifier());
+
+        //this value was extracted from the first run. Since it should change
+        assertNotEquals("6b6dcb8f-352c-49f7-8267-e2586601e858", shellEnv.getAssetAdministrationShells().get(0).getIdShort());
+
     }
 
     @Test
diff --git a/src/test/resources/mappings/generic/nestedForEach.json b/src/test/resources/mappings/generic/nestedForEach.json
new file mode 100644
index 0000000..342602f
--- /dev/null
+++ b/src/test/resources/mappings/generic/nestedForEach.json
@@ -0,0 +1,52 @@
+{
+  "@header": {
+    "version": "1.0.0",
+    "aasVersion": "3.0RC01",
+    "@namespaces": {
+      "ns": "http://ns.org/"
+    }
+  },
+  "aasEnvironmentMapping": {
+    "submodels": [
+      {
+        "@foreach": {
+          "@xpath": "//ns:a/ns:c[not(.=../following::ns:c)]"
+        },
+        "@variables": {
+          "here": {
+            "@xpath": "."
+          }
+        },
+        "semanticId": {
+          "keys": [
+            {
+              "@bind": {
+                "value": {
+                  "@var": "here"
+                }
+              },
+              "idType": "Iri",
+              "type": "Submodel"
+            }
+          ]
+        },
+        "@bind": {
+          "idShort": {
+            "@concatenate": [
+              {
+                "@xpath": {
+                  "@concatenate": [
+                    "//ns:a[ns:c='",
+                    {
+                      "@var": "here"
+                    },
+                    "']/ns:b[@name='prop_b']"
+                  ]
+                }
+              }]
+          }
+        }
+      }
+    ]
+  }
+}
diff --git a/src/test/resources/ua/uaIntegrationTest.json b/src/test/resources/ua/uaIntegrationTest.json
index 4e58242..cb0a0ad 100644
--- a/src/test/resources/ua/uaIntegrationTest.json
+++ b/src/test/resources/ua/uaIntegrationTest.json
@@ -11,10 +11,18 @@
     "assets": [],
     "assetAdministrationShells": [
       {
-        "idShort": "UaAdminShell",
+        "@bind": {
+          "idShort": {
+            "@generate_uuid": ""
+          }
+        },
         "identification": {
-          "idType": "Custom",
-          "id": "UaAdminShellId"
+          "@bind": {
+            "idType": "Custom",
+            "id": {
+              "@generate_uuid": "someStringAsSeed"
+            }
+          }
         },
         "assetInformation": {
           "@bind": {
diff --git a/src/test/resources/xml/groupable.xml b/src/test/resources/xml/groupable.xml
new file mode 100644
index 0000000..1e582c0
--- /dev/null
+++ b/src/test/resources/xml/groupable.xml
@@ -0,0 +1,27 @@
+<ns:root xmlns:ns="http://ns.org/" targetNamespace="http://ns.org/">
+    <ns:a>
+        <ns:c>foo</ns:c>
+        <ns:b name="prop_b">1</ns:b>
+        <ns:b name="prop_c">2</ns:b>
+    </ns:a>
+    <ns:a>
+        <ns:c>foo</ns:c>
+        <ns:b name="prop_b">3</ns:b>
+        <ns:b name="prop_c">3</ns:b>
+    </ns:a>
+    <ns:a>
+        <ns:c>foo</ns:c>
+        <ns:b name="prop_b">1</ns:b>
+        <ns:b name="prop_c">2</ns:b>
+    </ns:a>
+    <ns:a>
+        <ns:c>bar</ns:c>
+        <ns:b name="prop_b">4</ns:b>
+        <ns:b name="prop_c">5</ns:b>
+    </ns:a>
+    <ns:a>
+        <ns:c>bar</ns:c>
+        <ns:b name="prop_b">4</ns:b>
+        <ns:b name="prop_c">8</ns:b>
+    </ns:a>
+</ns:root>
\ No newline at end of file