From f3ffe4a04e7a64b99cc8bb0a02085bf9898ca55c Mon Sep 17 00:00:00 2001
From: Delano Lourenco <3ddelano@gmail.com>
Date: Thu, 2 Oct 2025 01:30:12 +0530
Subject: [PATCH] fix(device-authorization): fix client error type for deny
 device (#5022)

---
 .../better-auth/src/plugins/device-authorization/index.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/packages/better-auth/src/plugins/device-authorization/index.ts b/packages/better-auth/src/plugins/device-authorization/index.ts
index e69b44ca..6597e6b3 100644
--- a/packages/better-auth/src/plugins/device-authorization/index.ts
+++ b/packages/better-auth/src/plugins/device-authorization/index.ts
@@ -835,6 +835,14 @@ Follow [rfc8628#section-3.4](https://datatracker.ietf.org/doc/html/rfc8628#secti
 							description: "The user code to deny",
 						}),
 					}),
+					error: z.object({
+						error: z.enum(["invalid_request", "expired_token"]).meta({
+							description: "Error code",
+						}),
+						error_description: z.string().meta({
+							description: "Detailed error description",
+						}),
+					}),
 					metadata: {
 						openapi: {
 							description: "Deny device authorization",