add attibute

aws · Mar 19, 2024 · 0f3a23d · 0f3a23d
1 parent 1730cd4
commit 0f3a23d
Show file tree

Hide file tree

Showing 2 changed files with 11 additions and 0 deletions.
diff --git a/packages/aws-cdk-lib/aws-sns/lib/topic-base.ts b/packages/aws-cdk-lib/aws-sns/lib/topic-base.ts
@@ -39,6 +39,14 @@ export interface ITopic extends IResource, notifications.INotificationRuleTarget
    */
   readonly fifo: boolean;
 
+  /**
+   * Corresponds to the hashing algorithm used while creating the signature of the notifications,
+   * subscription confirmations, or unsubscribe confirmation messages sent by Amazon SNS.
+   *
+   * @attribute
+   */
+  readonly signatureVersion?: string;
+
   /**
    * Subscribe some endpoint to this topic
    */
@@ -71,6 +79,8 @@ export abstract class TopicBase extends Resource implements ITopic {
 
   public abstract readonly contentBasedDeduplication: boolean;
 
+  public abstract readonly signatureVersion?: string;
+
   /**
    * Controls automatic creation of policy objects.
    *

diff --git a/packages/aws-cdk-lib/aws-sns/lib/topic.ts b/packages/aws-cdk-lib/aws-sns/lib/topic.ts
@@ -171,6 +171,7 @@ export class Topic extends TopicBase {
       public readonly topicName = Stack.of(scope).splitArn(topicArn, ArnFormat.NO_RESOURCE_NAME).resource;
       public readonly fifo = this.topicName.endsWith('.fifo');
       public readonly contentBasedDeduplication = false;
+      public readonly signatureVersion = '1';
       protected autoCreatePolicy: boolean = false;
     }