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@@ -1,2 +1,49 @@
 # fetch-data-using-webapi-treeview-xamarin
-How to fetch data using Web API in Xamarin.Forms TreeView
+This repository showcases how to populate the Syncfusion Xamarin.Forms TreeView control with hierarchical data fetched from a Web API. The included sample demonstrates making HTTP requests to retrieve JSON data, deserializing the response into a suitable object hierarchy, and binding the result to the TreeView.
+
+## Sample
+
+### Helper
+```csharp
+internal class WebApiServices
+    {
+        public static string webApiUrl = "Your URL"; // Your Web Api here
+
+        System.Net.Http.HttpClient client;
+
+        public WebApiServices()
+        {
+            client = new System.Net.Http.HttpClient();
+        }
+
+        public async System.Threading.Tasks.Task<ObservableCollection<RootTree>> RefreshDataAsync()
+        {
+            var uri = new Uri(webApiUrl);
+            try
+            {
+                //Sends request to retrieve data from the web service for the specified Uri
+                var response = await client.GetAsync(uri);
+
+                if (response.IsSuccessStatusCode)
+                {
+                    var content = await response.Content.ReadAsStringAsync(); //Returns the response as JSON string
+                    return JsonConvert.DeserializeObject<ObservableCollection<RootTree>>(content); //Converts JSON string to ObservableCollection
+                }
+            }
+            catch (Exception ex)
+            {
+                System.Diagnostics.Debug.WriteLine(@"ERROR {0}", ex.Message);
+            }
+
+            return null;
+        }
+    }
+```
+
+## 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.