diff --git a/ClientExtApiException.cs b/ClientExtApiException.cs
index c6169ed..c6affe6 100644
--- a/ClientExtApiException.cs
+++ b/ClientExtApiException.cs
@@ -1,23 +1,49 @@
-#pragma warning disable 1591
-
-
 using System;
 using NAMESPACEPLACEHOLDER.Model;
 using Newtonsoft.Json;
 
-
 namespace NAMESPACEPLACEHOLDER.Client {
+    /// <summary>
+    /// Extended API Exception, provides ErrorCode (http code), ServiceErrorCode (service
+    /// specific error code), status message (via super class ApiException), help link 
+    /// (also via super class ApiException) and offensive data via properties of the exception 
+    /// itself.
+    /// Usually when openapi specificiation provided ErrorResultObject type for endpoints 
+    /// which returns an object of that type in case of errors greater or equal then 400,
+    /// in particular for 400 and 500.
+    /// To use this Extended API Exception set the ExceptionFactory immediately after
+    /// instantiating the API object to ExtApiException.ExtExceptionFactory.
+    /// </summary>
     public class ExtApiException: ApiException {
+        /// <summary>
+        /// ErrorCode, this is the http code returned by the webservice
+        /// readonly property
+        /// </summary>
         public int ErrorCode { get; }
+        /// <summary>
+        /// ServiceErrorCode, this is the service specific error code, compare to the
+        /// serviceErrorCodes.yaml in the webservice project
+        /// readonly property
+        /// </summary>
         public int ServiceErrorCode { get; }
+        /// <summary>
+        /// OffensiveData, repeats the data sent to the webservice which led to this
+        /// particular error
+        /// readonly property
+        /// </summary>
         public String OffensiveData { get; }
-
+        
         public ExtApiException(ErrorResultObject ero): base(ero.errorCode, ero.errorMessage, ero) {
             ErrorCode = ero.errorCode;
             ServiceErrorCode = ero.serviceErrorCode;
             OffensiveData = ero.offensiveData;
         }
-
+        
+        /// <summary>
+        /// ExceptionFactory to transform the http response of errors from the webservice into the
+        /// ExtApiException
+        /// Set it immediately after instantiating the API object within the new object.
+        /// </summary>
         public static ExceptionFactory ExtExceptionFactory = (methodName, response) => {
             return (((int)response.StatusCode) >= 400) ? new ExtApiException(JsonConvert.DeserializeObject<ErrorResultObject>(response.RawContent)) : null;
         };
@@ -25,4 +51,3 @@ namespace NAMESPACEPLACEHOLDER.Client {
 }
 
 
-#pragma warning restore 1591