From dcda22db22eaa8f291d5edd0a6fde237804ae2a6 Mon Sep 17 00:00:00 2001
From: dali546 <35352237+dali546@users.noreply.github.com>
Date: Wed, 22 Jan 2025 11:19:29 +0000
Subject: [PATCH] chore: add undefined type to principalAccount

---
 packages/aws-cdk-lib/aws-iam/lib/principals.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/aws-cdk-lib/aws-iam/lib/principals.ts b/packages/aws-cdk-lib/aws-iam/lib/principals.ts
index 35fbb69fb76f2..79e00d9e85cc5 100644
--- a/packages/aws-cdk-lib/aws-iam/lib/principals.ts
+++ b/packages/aws-cdk-lib/aws-iam/lib/principals.ts
@@ -53,7 +53,7 @@ export interface IPrincipal extends IGrantable {
    * Can be a Token - in that case,
    * it's assumed to be AWS::AccountId.
    */
-  readonly principalAccount?: string;
+  readonly principalAccount?: string | undefined;
 
   /**
    * Add to the policy of this principal.