diff --git a/packages/rn-tester/NativeComponentExample/ios/RNTMyLegacyNativeViewManager.mm b/packages/rn-tester/NativeComponentExample/ios/RNTMyLegacyNativeViewManager.mm
index 93a65a45e9be0e..f591d26f7d87b6 100644
--- a/packages/rn-tester/NativeComponentExample/ios/RNTMyLegacyNativeViewManager.mm
+++ b/packages/rn-tester/NativeComponentExample/ios/RNTMyLegacyNativeViewManager.mm
@@ -17,6 +17,11 @@ @interface RNTMyLegacyNativeViewManager : RCTViewManager
 
 @implementation RNTMyLegacyNativeViewManager
 
++ (BOOL)requiresMainQueueSetup
+{
+  return NO;
+}
+
 RCT_EXPORT_MODULE()
 
 RCT_REMAP_VIEW_PROPERTY(color, backgroundColor, UIColor)
@@ -31,4 +36,8 @@ - (UIView *)view
   return view;
 }
 
+- (NSDictionary *)constantsToExport
+{
+  return @{@"PI" : @3.14};
+}
 @end
diff --git a/packages/rn-tester/NativeComponentExample/js/MyNativeView.js b/packages/rn-tester/NativeComponentExample/js/MyNativeView.js
index f96a749e486774..24eefb84fc5b93 100644
--- a/packages/rn-tester/NativeComponentExample/js/MyNativeView.js
+++ b/packages/rn-tester/NativeComponentExample/js/MyNativeView.js
@@ -16,6 +16,7 @@ import RNTMyNativeView, {
 } from './MyNativeViewNativeComponent';
 import RNTMyLegacyNativeView from './MyLegacyViewNativeComponent';
 import type {MyNativeViewType} from './MyNativeViewNativeComponent';
+import {UIManager} from 'react-native';
 
 const colors = [
   '#0000FF',
@@ -76,6 +77,10 @@ export default function MyNativeView(props: {}): React.Node {
         }
       />
       <Text>HSBA: {hsba.toString()}</Text>
+      <Text>
+        Constants From Interop Layer:{' '}
+        {UIManager.RNTMyLegacyNativeView.Constants.PI}
+      </Text>
       <Button
         title="Change Background"
         onPress={() => {