# AWS::DevOpsGuru::NotificationChannel SnsChannelConfig Information about a notification channel configured in DevOps Guru to send notifications when insights are created. ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON
{ "TopicArn" : String }### YAML
TopicArn: String## Properties #### TopicArn _Required_: No _Type_: String _Minimum Length_:
36
_Maximum Length_: 1024
_Pattern_: ^arn:aws[a-z0-9-]*:sns:[a-z0-9-]+:\d{12}:[^:]+$
_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)