diff --git a/src/main/java/de/w665/fluidcms/db/repo/CObjectRepository.java b/src/main/java/de/w665/fluidcms/db/repo/CObjectRepository.java
index 4c5cb0b..c5352a5 100644
--- a/src/main/java/de/w665/fluidcms/db/repo/CObjectRepository.java
+++ b/src/main/java/de/w665/fluidcms/db/repo/CObjectRepository.java
@@ -53,6 +53,10 @@ public class CObjectRepository {
         r.db(config.getDatabase()).table(TABLE_NAME).insert(entity).run(connection);
     }
 
+    public void insert(CObjectEntity entity) {
+        r.db(config.getDatabase()).table(TABLE_NAME).insert(entity).run(connection);
+    }
+
     public CObject get(String id) {
         CObjectEntity entity = r.db(config.getDatabase()).table(TABLE_NAME).filter(r.hashMap("id", id)).run(connection, CObjectEntity.class).first();
         if(entity == null) {
diff --git a/src/main/java/de/w665/fluidcms/model/ObjectAttribute.java b/src/main/java/de/w665/fluidcms/model/ObjectAttribute.java
index fd1c18e..e09a7ab 100644
--- a/src/main/java/de/w665/fluidcms/model/ObjectAttribute.java
+++ b/src/main/java/de/w665/fluidcms/model/ObjectAttribute.java
@@ -1,17 +1,14 @@
 package de.w665.fluidcms.model;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonSubTypes;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import de.w665.fluidcms.model.objectattributes.StringObjectAttribute;
-import lombok.AllArgsConstructor;
 import lombok.Getter;
-import lombok.NoArgsConstructor;
 import lombok.Setter;
 
 @Setter
 @Getter
-@AllArgsConstructor
-@NoArgsConstructor
 @JsonTypeInfo(
         use = JsonTypeInfo.Id.NAME,
         property = "type")
@@ -19,12 +16,19 @@ import lombok.Setter;
         @JsonSubTypes.Type(value = StringObjectAttribute.class, name = "String"),
 })
 public abstract class ObjectAttribute <T> {
+    private String type;
     private String name;
     private String description;
     private boolean required;
     private T defaultValue;
 
+    public ObjectAttribute() {
+        this.type = getClass().getSimpleName();
+    }
+
+    @JsonIgnore
     public abstract String getValueAsString();
     public abstract T getValue();
     public abstract void setValue(T value);
+    public abstract boolean verifyValueType(Object value);
 }
diff --git a/src/main/java/de/w665/fluidcms/model/objectattributes/StringObjectAttribute.java b/src/main/java/de/w665/fluidcms/model/objectattributes/StringObjectAttribute.java
index cef1895..6854ebf 100644
--- a/src/main/java/de/w665/fluidcms/model/objectattributes/StringObjectAttribute.java
+++ b/src/main/java/de/w665/fluidcms/model/objectattributes/StringObjectAttribute.java
@@ -1,15 +1,11 @@
 package de.w665.fluidcms.model.objectattributes;
 
 import de.w665.fluidcms.model.ObjectAttribute;
-import lombok.AllArgsConstructor;
 import lombok.Getter;
-import lombok.NoArgsConstructor;
 import lombok.Setter;
 
 @Getter
 @Setter
-@AllArgsConstructor
-@NoArgsConstructor
 public class StringObjectAttribute extends ObjectAttribute<String> {
     private String value;
 
@@ -18,13 +14,13 @@ public class StringObjectAttribute extends ObjectAttribute<String> {
         return value;
     }
 
-    @Override
-    public String getValue() {
-        return value;
-    }
-
     @Override
     public void setValue(String value) {
         this.value = value;
     }
+
+    @Override
+    public boolean verifyValueType(Object value) {
+        return value instanceof String;
+    }
 }
diff --git a/src/test/java/de/w665/fluidcms/ObjectTypeResourceTest.java b/src/test/java/de/w665/fluidcms/ObjectTypeResourceTest.java
new file mode 100644
index 0000000..bc20074
--- /dev/null
+++ b/src/test/java/de/w665/fluidcms/ObjectTypeResourceTest.java
@@ -0,0 +1,93 @@
+package de.w665.fluidcms;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import de.w665.fluidcms.model.ObjectType;
+import de.w665.fluidcms.model.objectattributes.StringObjectAttribute;
+import io.quarkus.test.junit.QuarkusTest;
+import io.restassured.http.ContentType;
+import org.junit.jupiter.api.Test;
+
+import java.util.Arrays;
+
+import static io.restassured.RestAssured.given;
+
+@QuarkusTest
+class ObjectTypeResourceTest {
+    @Test
+    void testObjectTypeEndpoint() throws JsonProcessingException {
+        ObjectMapper objectMapper = new ObjectMapper();
+
+        // Create sample data using Java objects
+        StringObjectAttribute attribute1 = new StringObjectAttribute();
+        attribute1.setName("Attribute 13");
+        attribute1.setDescription("This is attribute 13");
+        attribute1.setRequired(true);
+        attribute1.setDefaultValue("Default Value 13");
+        attribute1.setValue("Attribute 13 Value");
+
+        StringObjectAttribute attribute2 = new StringObjectAttribute();
+        attribute2.setName("Attribute 94");
+        attribute2.setDescription("This is attribute 94");
+        attribute2.setRequired(false);
+        attribute2.setDefaultValue("Default Value 94");
+        attribute2.setValue("Attribute 94 Value");
+
+        ObjectType sampleData = new ObjectType();
+        sampleData.setName("Object Type 71");
+        sampleData.setDescription("This is object type 71");
+        sampleData.setIcon("icon.png");
+        sampleData.setColor("blue");
+        sampleData.setAttributes(Arrays.asList(attribute1, attribute2));
+
+        // Serialize Java object to JSON
+        String jsonSampleData = objectMapper.writeValueAsString(sampleData);
+        System.out.println("--------------JSON SAMPLE DATA--------------");
+        System.out.println(jsonSampleData);
+        System.out.println("--------------------------------------------");
+
+
+        // Perform the request and validate the response
+        String responseJson = given()
+                .contentType(ContentType.JSON)
+                .body(jsonSampleData)
+                .when().post("/api/v1/objectType")
+                .then()
+                .statusCode(200)
+                .extract().asString();
+
+        System.out.println("--------------RESPONSE JSON-----------------");
+        System.out.println(jsonSampleData);
+        System.out.println("--------------------------------------------");
+
+
+        // Deserialize response JSON to Java object
+        ObjectType responseData = objectMapper.readValue(responseJson, ObjectType.class);
+
+        // Perform assertions on the deserialized Java object
+        assert responseData.getId() != null;
+        assert responseData.getName().equals("Object Type 71");
+        assert responseData.getDescription().equals("This is object type 71");
+        assert responseData.getIcon().equals("icon.png");
+        assert responseData.getColor().equals("blue");
+        assert responseData.getAttributes().size() == 2;
+
+        StringObjectAttribute responseAttribute1 = (StringObjectAttribute) responseData.getAttributes().getFirst();
+        assert responseAttribute1.getType().equals("StringObjectAttribute");
+        assert responseAttribute1.getName().equals("Attribute 13");
+        assert responseAttribute1.getDescription().equals("This is attribute 13");
+        assert responseAttribute1.isRequired();
+        assert responseAttribute1.getDefaultValue().equals("Default Value 13");
+        assert responseAttribute1.getValue().equals("Attribute 13 Value");
+        assert responseAttribute1.getValueAsString().equals("Attribute 13 Value");
+
+        StringObjectAttribute responseAttribute2 = (StringObjectAttribute) responseData.getAttributes().get(1);
+        assert responseAttribute1.getType().equals("StringObjectAttribute");
+        assert responseAttribute2.getName().equals("Attribute 94");
+        assert responseAttribute2.getDescription().equals("This is attribute 94");
+        assert !responseAttribute2.isRequired();
+        assert responseAttribute2.getDefaultValue().equals("Default Value 94");
+        assert responseAttribute2.getValue().equals("Attribute 94 Value");
+        assert responseAttribute2.getValueAsString().equals("Attribute 94 Value");
+    }
+}