Example of calling swift code from RN

ios/Native/Application/Views/BaseButton/BaseButton.swift

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+//
+//  BaseButton.swift
+//  RNPlayground
+//
+//  Created by Artur Gurgul on 02/08/2025.
+//
+
+import SwiftUI
+
+struct BaseButton: View {
+  @EnvironmentObject var sharedState: SharedState
+  
+  var body: some View {
+    Button("SwiftUI Button") {
+      sharedState.message = "Clicked in SwiftUI button that was created in RN"
+    }
+  }
+}

ios/Native/Application/Views/BaseButton/BaseButtonManager.m

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+//
+//  BaseButtonManager.m
+//  RNPlayground
+//
+//  Created by Artur Gurgul on 02/08/2025.
+//
+
+#import <React/RCTViewManager.h>
+
+@interface RCT_EXTERN_MODULE(BaseButtonManager, RCTViewManager)
+
+@end

ios/Native/Application/Views/BaseButton/BaseButtonManager.swift

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+//
+//  BaseButtonManager.swift
+//  RNPlayground
+//
+//  Created by Artur Gurgul on 02/08/2025.
+//
+
+import Foundation
+import React
+import SwiftUI
+
+@objc(BaseButtonManager)
+class BaseButtonManager: RCTViewManager {
+    override func view() -> UIView! {
+      return UIHostingController(
+        rootView: BaseButton()
+      ).view
+    }
+
+    override static func requiresMainQueueSetup() -> Bool {
+        return true
+    }
+}