Merge pull request #3561 from syncfusion-content/Chat_ErrorResponse

977149: Added UG topic for Support to show error response UI in SfAIAssistView

Author: Lakshminatarajan

MAUI/AIAssistView/Images/maui-aiassistview-error-message.png

@@ -427,3 +427,58 @@ The `SfAIAssistView` control includes a built-in event called [CardTapped](https
 
 {% endhighlight %}
 {% endtabs %}
+
+## Show error response
+
+The `SfAIAssistView` allows to display error responses by setting the error text to the `AssistItem.ErrorMessage` property, ensuring clear notification when an error occurs during AI interactions.
+
+{% tabs %}
+{% highlight c# tabtitle="ViewModel.cs" hl_lines="36" %}
+    
+public class ViewModel : INotifyPropertyChanged
+{
+
+    ...
+
+    private void GenerateAssistItems()
+    {
+        AssistItem requestItem = new AssistItem()
+        {
+            Text = "Types of listening",
+            IsRequested = true
+        };
+
+        this.AssistItems.Add(requestItem);
+
+        await GetResult(requestItem);
+    }
+        
+    private async Task GetResultAsync(AssistItem requestItem)
+    {
+       try
+       {
+           await Task.Delay(1000);
+           // If successful, add the normal response
+           AssistItem responseItem = new AssistItem()
+           {
+              Text = "Active Listening – Fully focusing and responding to the speaker with attention and empathy. Passive Listening – Hearing without reacting or engaging with the speaker. Empathetic Listening – Understanding the speaker’s emotions and feelings deeply.",
+              IsRequested = false,
+           };
+           this.AssistItems.Add(responseItem);
+        }
+        catch (Exception ex)
+        {
+            AssistItem errorItem = new AssistItem()
+            {
+               ErrorMessage = "An error occurred. Either the engine you requested does not exist or there was another issue processing your request.",
+               IsRequested = false,
+            };
+            this.AssistItems.Add(errorItem);
+        }
+    }
+}
+    
+{% endhighlight %}
+{% endtabs %}
+
+![Error message in .NET MAUI AI AssistView](images/maui-aiassistview-error-message.png)