Hinzugefügt WithFlag Methode zu ServiceMessageExtensions für das direkte Setzen von Flags auf IServiceMessage Instanzen.

DigitalData.Core.Application/ServiceMessageExtensions.cs

@@ -10,6 +10,19 @@ namespace DigitalData.Core.Application
     /// </summary>
     public static class ServiceMessageExtensions
     {
+        /// <summary>
+        /// Sets the specified flag on the service message or result, allowing for the categorization of the message based on specific conditions or statuses.
+        /// </summary>
+        /// <typeparam name="T">The type of IServiceMessage.</typeparam>
+        /// <param name="serviceMessage">The service message instance to modify.</param>
+        /// <param name="flag">The flag to set, indicating a specific condition or status.</param>
+        /// <returns>The service message instance with the updated flag, facilitating fluent chaining of methods.</returns>
+        public static T WithFlag<T>(this T serviceMessage, Enum flag) where T : IServiceMessage
+        {
+            serviceMessage.Flag = flag;
+            return serviceMessage;
+        }
+
         #region ClientMessage
         /// <summary>
         /// Adds a single client message to the service message.