Merge pull request #2 from RavikumarAkuthotaSf4250/main

Update README.md file

Author: Lakshminatarajan

README.md

@@ -1,2 +1,68 @@
 # show-scrollbar-chat-xamarin-forms
-How to show the ScrollBar in Xamarin.Forms Chat (SfChat)
+This sample demonstrates how to show the ScrollBar in Xamarin.Forms Chat (SfChat).
+
+## Sample
+
+```xaml
+
+    <ContentPage.Content>
+        <sfChat:SfChat x:Name="sfChat"
+                       Messages="{Binding Messages}"
+                       CurrentUser="{Binding CurrentUser}"   
+                       ShowIncomingMessageAvatar="True"
+                       ShowOutgoingMessageAvatar="True">
+            <sfChat:SfChat.Behaviors>
+                <local:SfchatBehaviors/>
+            </sfChat:SfChat.Behaviors>
+        </sfChat:SfChat>
+    </ContentPage.Content>
+
+Behavior:
+
+    public class SfchatBehaviors : Behavior<SfChat>
+    {
+        #region Fields
+
+        private SfChat sfChat = null;
+        private SfListView ChatListView = null;
+
+        #endregion
+
+        #region Overrides
+
+        protected override void OnAttachedTo(SfChat bindable)
+        {
+            base.OnAttachedTo(bindable);
+            sfChat = bindable;
+            if (sfChat != null)
+            {
+               ChatListView = (sfChat.GetType().GetRuntimeProperties().FirstOrDefault(x => x.Name.Equals("ChatListView")).GetValue(sfChat) as SfListView);
+                if (ChatListView != null)
+                {
+                    ChatListView.IsScrollBarVisible = true;
+                }
+            }
+        }
+
+        protected override void OnDetachingFrom(SfChat bindable)
+        {
+            base.OnAttachedTo(bindable);
+            ChatListView = null;
+            sfChat = null;
+        }
+
+        #endregion
+    }
+    
+```
+## Requirements to run the demo
+
+To run the demo, refer to [System Requirements for Xamarin](https://help.syncfusion.com/xamarin/system-requirements)
+
+## Troubleshooting
+
+### Path too long exception
+
+If you are facing path too long exception when building this example project, close Visual Studio and rename the repository to short and build the project.
+
+