diff --git a/README.md b/README.md
index 36ad29f..8b341cb 100644
--- a/README.md
+++ b/README.md
@@ -124,6 +124,14 @@ messenger?.setPushRegistrationToken(token: token)
 Prerequisite: The application should be connected to the notifications platform, enabled for receiving notifications and obtaining tokens.
 
 
+
+## Privacy
+
+In order to make the file upload and download fully work, make sure to add these permissions with appropriate messages in your `Info.plist` file:
+- Privacy - Camera Usage Description
+- Privacy - Microphone Usage Description
+- Privacy - Photo Library Additions Usage Description
+
 ## Versioning
 We use [SemVer](http://semver.org/) for versioning. For the versions available, see the [tags on this repository](https://github.com/deskpro/messenger-sdk-ios/tags).
 
diff --git a/Sources/Deskpro.swift b/Sources/Deskpro.swift
index d6d9e80..54bc1b9 100644
--- a/Sources/Deskpro.swift
+++ b/Sources/Deskpro.swift
@@ -148,9 +148,23 @@ import UIKit
     /// - Returns: A [PresentBuilder](x-source-tag://PresentBuilder) instance to start building presentation paths.
     ///
     @objc public final func present() -> PresentBuilder {
-        let url = messengerConfig.appUrl//.appending(messengerConfig.appId)
-        //return PresentBuilder(url: url, containingViewController: containingViewController)
-        return PresentBuilder(url: url, appId: messengerConfig.appId, coordinator: coordinator)
+        let url = buildUrl(baseUrl: messengerConfig.appUrl, appId: messengerConfig.appId)
+        return PresentBuilder(url: url ?? "", appId: messengerConfig.appId, coordinator: coordinator)
+    }
+    
+    func buildUrl(baseUrl: String, appId: String) -> String? {
+        let platformData = ["platform": "IOS"]
+        
+        guard let platformJsonData = try? JSONSerialization.data(withJSONObject: platformData, options: []),
+              let platformJsonString = String(data: platformJsonData, encoding: .utf8),
+              let encodedPlatform = platformJsonString.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) else {
+            return nil
+        }
+        
+        let formattedBaseUrl = baseUrl.trimmingCharacters(in: CharacterSet(charactersIn: "/"))
+        let formattedAppId = "/" + appId.trimmingCharacters(in: CharacterSet(charactersIn: "/"))
+        
+        return "\(formattedBaseUrl)\(formattedAppId)/\(encodedPlatform)"
     }
     
     ///   Closes the chat view presented by the DeskPro SDK.