From 2539b7ebc261899c3a6c12f2c6663ae59450be25 Mon Sep 17 00:00:00 2001
From: Daniel Reichhart <daniel.reichhart@gmx.net>
Date: Sun, 15 Mar 2026 22:17:34 +0700
Subject: [PATCH] fix: return Promise from setOutputDeviceAsync()

---
 __tests__/vapi.test.ts | 11 +++++++++++
 vapi.ts                |  2 +-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/__tests__/vapi.test.ts b/__tests__/vapi.test.ts
index 63822586a..9c47d7424 100644
--- a/__tests__/vapi.test.ts
+++ b/__tests__/vapi.test.ts
@@ -53,4 +53,15 @@ describe("Vapi", () => {
       expect(res).toBe(false);
     });
   });
+
+  describe("setOutputDeviceAsync", () => {
+    it("should return the Promise from setOutputDeviceAsync", async () => {
+      const mockError = new Error("setSinkId failed");
+      mockCall.setOutputDeviceAsync = jest.fn().mockRejectedValue(mockError);
+
+      await expect(
+        vapi.setOutputDeviceAsync({ outputDeviceId: "test-device" })
+      ).rejects.toThrow("setSinkId failed");
+    });
+  });
 });
diff --git a/vapi.ts b/vapi.ts
index e659313ff..281ac0e45 100644
--- a/vapi.ts
+++ b/vapi.ts
@@ -1020,7 +1020,7 @@ export default class Vapi extends VapiEventEmitter {
   public setOutputDeviceAsync(
     options: Parameters<DailyCall['setOutputDeviceAsync']>[0],
   ) {
-    this.call?.setOutputDeviceAsync(options);
+    return this.call?.setOutputDeviceAsync(options);
   }
 
   public getDailyCallObject(): DailyCall | null {