Add support in

android/src/main/java/com/reactnativestripesdk/FinancialConnectionsSheetFragment.kt

@@ -27,6 +27,18 @@ class FinancialConnectionsSheetFragment : Fragment() {
   private lateinit var configuration: FinancialConnectionsSheet.Configuration
   private lateinit var mode: Mode
 
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+
+    val stripeSdkModule: StripeSdkModule? = context.getNativeModule(StripeSdkModule::class.java)
+    if (stripeSdkModule != null && stripeSdkModule.eventListenerCount > 0) {
+      FinancialConnections.setEventListener { event ->
+        val params = mapFromFinancialConnectionsEvent(event)
+        stripeSdkModule.sendEvent(context, "onFinancialConnectionsEvent", params)
+      }
+    }
+  }
+
   override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?,
                             savedInstanceState: Bundle?): View {
     return FrameLayout(requireActivity()).also {
@@ -55,6 +67,13 @@ class FinancialConnectionsSheetFragment : Fragment() {
     }
   }
 
+  override fun onDestroy() {
+    super.onDestroy()
+
+    // Remove any event listener that might be set
+    FinancialConnections.clearEventListener()
+  }
+
   private fun onFinancialConnectionsSheetForTokenResult(result: FinancialConnectionsSheetForTokenResult) {
     when(result) {
       is FinancialConnectionsSheetForTokenResult.Canceled -> {

ios/FinancialConnections.swift

@@ -14,11 +14,14 @@ class FinancialConnections {
     internal static func present(
         withClientSecret: String,
         returnURL: String? = nil,
+        onEvent: ((FinancialConnectionsEvent) -> Void)? = nil,
         resolve: @escaping RCTPromiseResolveBlock
     ) -> Void {
         DispatchQueue.main.async {
             FinancialConnectionsSheet(financialConnectionsSessionClientSecret: withClientSecret, returnURL: returnURL).present(
-              from: findViewControllerPresenter(from: UIApplication.shared.delegate?.window??.rootViewController ?? UIViewController()),
+              from: findViewControllerPresenter(from: UIApplication.shared.delegate?.window??.rootViewController ?? UIViewController()
+              onEvent: onEvent
+            ),
               completion: { result in
                   switch result {
                   case .completed(session: let session):

ios/StripeSdk.swift

@@ -732,7 +732,7 @@ class StripeSdk: RCTEventEmitter, UIAdaptivePresentationControllerDelegate {
         } else {
           connectionsReturnURL = nil
         }
-      
+
         let onEvent: (FinancialConnectionsEvent) -> Void = { [weak self] event in
           let mappedEvent = Mappers.financialConnectionsEventToMap(event)
           self?.sendEvent(withName: "onFinancialConnectionsEvent", body: mappedEvent)
@@ -1068,7 +1068,13 @@ class StripeSdk: RCTEventEmitter, UIAdaptivePresentationControllerDelegate {
         } else {
           returnURL = nil
         }
-        FinancialConnections.present(withClientSecret: clientSecret, returnURL: returnURL, resolve: resolve)
+
+        let onEvent: (FinancialConnectionsEvent) -> Void = { [weak self] event in
+          let mappedEvent = Mappers.financialConnectionsEventToMap(event)
+          self?.sendEvent(withName: "onFinancialConnectionsEvent", body: mappedEvent)
+        }
+
+        FinancialConnections.present(withClientSecret: clientSecret, returnURL: returnURL, onEvent: onEvent, resolve: resolve)
     }
 
     @objc(configureOrderTracking:orderIdentifier:webServiceUrl:authenticationToken:resolver:rejecter:)

src/functions.ts

@@ -38,6 +38,7 @@ import {
   NativeModules,
   EmitterSubscription,
 } from 'react-native';
+import { FinancialConnectionsEvent } from './types/FinancialConnections';
 
 export const createPaymentMethod = async (
   params: PaymentMethod.CreateParams,
@@ -566,12 +567,18 @@ export const collectBankAccountToken = async (
  * @returns A promise that resolves to an object containing either a `session` field, or an error field.
  */
 export const collectFinancialConnectionsAccounts = async (
-  clientSecret: string
+  clientSecret: string,
+  onEvent?: (event: FinancialConnectionsEvent) => void
 ): Promise<FinancialConnections.SessionResult> => {
+  const subscription =
+    onEvent && eventEmitter.addListener('onFinancialConnectionsEvent', onEvent);
+
   try {
     const { session, error } =
       await NativeStripeSdk.collectFinancialConnectionsAccounts(clientSecret);
 
+    subscription?.remove();
+
     if (error) {
       return {
         error,
@@ -581,6 +588,7 @@ export const collectFinancialConnectionsAccounts = async (
       session: session!,
     };
   } catch (error: any) {
+    subscription?.remove();
     return {
       error: createError(error),
     };