# AppMigrationTester.AppExportController A class you use to test your extension’s export code. ``` final class AppExportController ``` ## Overview Use the [`exportController`](/documentation/AppMigrationKit/AppMigrationTester/exportController) property to obtain an instance of this class, then use its methods to call the export-related code of your app migration extension. ## Topics ### Testing resource export [`func exportResources(request: MigrationRequestWithOptions?, progress: Progress?) async throws -> AppMigrationTester.ResourcesExportResult`](/documentation/AppMigrationKit/AppMigrationTester/AppExportController/exportResources(request:progress:)-15m4v) Tells the migration extension to begin exporting its resources, using options defined by the destination platform. [`func exportResources(request: MigrationRequest?, progress: Progress?) async throws -> AppMigrationTester.ResourcesExportResult`](/documentation/AppMigrationKit/AppMigrationTester/AppExportController/exportResources(request:progress:)-5mw8u) Tells the migration extension to begin exporting its resources. [`struct ResourcesExportResult`](/documentation/AppMigrationKit/AppMigrationTester/ResourcesExportResult) The result of exporting resources to another device. ### Supporting types [`struct MigrationRequestWithOptions`](/documentation/AppMigrationKit/MigrationRequestWithOptions) An object that exposes properties of the migration request. [`typealias MigrationRequest`](/documentation/AppMigrationKit/MigrationRequest) A migration request that uses the default supported options. ## Relationships ### Conforms To [`Sendable`](/documentation/Swift/Sendable) [`SendableMetatype`](/documentation/Swift/SendableMetatype) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)