diff --git a/lib/Controller/TaskProcessingController.php b/lib/Controller/TaskProcessingController.php
index 8a2305b31..9a116bf53 100644
--- a/lib/Controller/TaskProcessingController.php
+++ b/lib/Controller/TaskProcessingController.php
@@ -11,6 +11,8 @@
 
 use OCA\AppAPI\AppInfo\Application;
 use OCA\AppAPI\Attribute\AppAPIAuth;
+use OCA\AppAPI\Service\AppAPIService;
+use OCA\AppAPI\Service\ExAppService;
 use OCA\AppAPI\Service\ProvidersAI\TaskProcessingService;
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Http\Attribute\NoCSRFRequired;
@@ -26,10 +28,14 @@ class TaskProcessingController extends OCSController {
 	public function __construct(
 		IRequest                                           $request,
 		private readonly TaskProcessingService             $taskProcessingService,
+		private readonly AppAPIService                     $appAPIService,
+		private readonly ExAppService                      $exAppService,
 	) {
 		parent::__construct(Application::APP_ID, $request);
 
 		$this->request = $request;
+		$this->taskProcessingService->setAppAPIService($this->appAPIService);
+		$this->taskProcessingService->setExAppService($this->exAppService);
 	}
 
 	#[NoCSRFRequired]
diff --git a/lib/Listener/GetTaskProcessingProvidersListener.php b/lib/Listener/GetTaskProcessingProvidersListener.php
index 2709cb829..bf08b7b9a 100644
--- a/lib/Listener/GetTaskProcessingProvidersListener.php
+++ b/lib/Listener/GetTaskProcessingProvidersListener.php
@@ -10,6 +10,8 @@
 namespace OCA\AppAPI\Listener;
 
 use JsonException;
+use OCA\AppAPI\Service\AppAPIService;
+use OCA\AppAPI\Service\ExAppService;
 use OCA\AppAPI\Service\ProvidersAI\TaskProcessingService;
 use OCP\EventDispatcher\Event;
 use OCP\EventDispatcher\IEventListener;
@@ -19,6 +21,8 @@
 class GetTaskProcessingProvidersListener implements IEventListener {
 	public function __construct(
 		private readonly TaskProcessingService $taskProcessingService,
+		private readonly ExAppService $exAppService,
+		private readonly AppAPIService $appAPIService,
 		private readonly LoggerInterface $logger,
 	) {
 	}
@@ -32,13 +36,15 @@ public function handle(Event $event): void {
 			return;
 		}
 
+		$this->taskProcessingService->setExAppService($this->exAppService);
+		$this->taskProcessingService->setAppAPIService($this->appAPIService);
 		$exAppsProviders = $this->taskProcessingService->getRegisteredTaskProcessingProviders();
 
 		foreach ($exAppsProviders as $exAppProvider) {
 			try {
 				// Decode provider data
 				$providerData = json_decode($exAppProvider->getProvider(), true, 512, JSON_THROW_ON_ERROR);
-				$providerInstance = $this->taskProcessingService->getAnonymousExAppProvider($providerData);
+				$providerInstance = $this->taskProcessingService->getAnonymousExAppProvider($providerData, $exAppProvider->getAppId());
 				$event->addProvider($providerInstance);
 
 				// Decode and add custom task type if it exists
diff --git a/lib/Service/AppAPIService.php b/lib/Service/AppAPIService.php
index c42c50788..2a31345f7 100644
--- a/lib/Service/AppAPIService.php
+++ b/lib/Service/AppAPIService.php
@@ -52,6 +52,7 @@ public function __construct(
 		private readonly HarpService         $harpService,
 	) {
 		$this->client = $clientService->newClient();
+		$this->exAppService->setAppAPIService($this);
 	}
 
 	/**
diff --git a/lib/Service/ExAppService.php b/lib/Service/ExAppService.php
index ef9272f02..53ac5aaaf 100644
--- a/lib/Service/ExAppService.php
+++ b/lib/Service/ExAppService.php
@@ -36,6 +36,7 @@
 
 class ExAppService {
 	private ?ICache $cache = null;
+	private AppAPIService $appAPIService;
 
 	public function __construct(
 		private readonly LoggerInterface            $logger,
@@ -66,6 +67,7 @@ public function __construct(
 				$this->cache = $cacheFactory->createDistributed(Application::APP_ID . '/service');
 			}
 		}
+		$this->taskProcessingService->setExAppService($this);
 	}
 
 	public function getExApp(string $appId): ?ExApp {
@@ -446,4 +448,9 @@ private function unregisterExAppWebhooks(string $appId): void {
 			$this->logger->debug(sprintf('Error while unregistering ExApp %s webhooks: %s', $appId, $e->getMessage()));
 		}
 	}
+
+	public function setAppAPIService(AppAPIService $appAPIService): void {
+		$this->appAPIService = $appAPIService;
+		$this->taskProcessingService->setAppAPIService($this->appAPIService);
+	}
 }
diff --git a/lib/Service/ProvidersAI/TaskProcessingService.php b/lib/Service/ProvidersAI/TaskProcessingService.php
index 64adac9e9..36cb15931 100644
--- a/lib/Service/ProvidersAI/TaskProcessingService.php
+++ b/lib/Service/ProvidersAI/TaskProcessingService.php
@@ -13,6 +13,8 @@
 use OCA\AppAPI\AppInfo\Application;
 use OCA\AppAPI\Db\TaskProcessing\TaskProcessingProvider;
 use OCA\AppAPI\Db\TaskProcessing\TaskProcessingProviderMapper;
+use OCA\AppAPI\Service\AppAPIService;
+use OCA\AppAPI\Service\ExAppService;
 use OCP\AppFramework\Bootstrap\IRegistrationContext;
 use OCP\AppFramework\Db\DoesNotExistException;
 use OCP\AppFramework\Db\MultipleObjectsReturnedException;
@@ -23,6 +25,7 @@
 use OCP\TaskProcessing\EShapeType;
 use OCP\TaskProcessing\IProvider;
 use OCP\TaskProcessing\ITaskType;
+use OCP\TaskProcessing\ITriggerableProvider;
 use OCP\TaskProcessing\ShapeDescriptor;
 use OCP\TaskProcessing\ShapeEnumValue;
 use Psr\Log\LoggerInterface;
@@ -31,6 +34,9 @@ class TaskProcessingService {
 	private ?ICache $cache = null;
 	private ?array $registeredProviders = null;
 
+	private AppAPIService $appAPIService;
+	private ExAppService $exAppService;
+
 	public function __construct(
 		ICacheFactory $cacheFactory,
 		private readonly TaskProcessingProviderMapper $mapper,
@@ -41,6 +47,14 @@ public function __construct(
 		}
 	}
 
+	public function setAppAPIService(AppAPIService $appAPIService): void {
+		$this->appAPIService = $appAPIService;
+	}
+
+	public function setExAppService(ExAppService $exAppService): void {
+		$this->exAppService = $exAppService;
+	}
+
 	/**
 	 * Get list of registered TaskProcessing providers (only for enabled ExApps)
 	 *
@@ -241,7 +255,7 @@ public function registerExAppTaskProcessingProviders(IRegistrationContext $conte
 			$className = '\\OCA\\AppAPI\\' . $exAppProvider->getAppId() . '\\' . $exAppProvider->getName();
 
 			try {
-				$provider = $this->getAnonymousExAppProvider(json_decode($exAppProvider->getProvider(), true, flags: JSON_THROW_ON_ERROR));
+				$provider = $this->getAnonymousExAppProvider(json_decode($exAppProvider->getProvider(), true, flags: JSON_THROW_ON_ERROR), $exAppProvider->getAppId());
 			} catch (JsonException $e) {
 				$this->logger->debug('Failed to register ExApp TaskProcessing provider', ['exAppId' => $exAppProvider->getAppId(), 'taskType' => $exAppProvider->getName(), 'exception' => $e]);
 				continue;
@@ -261,10 +275,14 @@ public function registerExAppTaskProcessingProviders(IRegistrationContext $conte
 	 */
 	public function getAnonymousExAppProvider(
 		array $provider,
+		string $appId,
 	): IProvider {
-		return new class($provider) implements IProvider {
+		return new class($provider, $appId, $this->exAppService, $this->appAPIService) implements IProvider, ITriggerableProvider {
 			public function __construct(
 				private readonly array $provider,
+				private readonly string $appId,
+				private readonly ExAppService $exAppService,
+				private readonly AppAPiService $appAPIService
 			) {
 			}
 
@@ -280,6 +298,14 @@ public function getTaskTypeId(): string {
 				return $this->provider['task_type'];
 			}
 
+			public function trigger(): void {
+				$exApp = $this->exAppService->getExApp($this->appId);
+				if ($exApp === null) {
+					return;
+				}
+				$this->appAPIService->requestToExApp($exApp, '/trigger?' . http_build_query(['providerId' => $this->provider['id']]));
+			}
+
 			public function getExpectedRuntime(): int {
 				return $this->provider['expected_runtime'];
 			}