Removes an association between a notification rule and an Chatbot topic so that subscribers to that topic stop receiving notifications when the events described in the rule are triggered.
See https://www.paws-r-sdk.com/docs/codestarnotifications_unsubscribe/ for full documentation.
codestarnotifications_unsubscribe(Arn, TargetAddress)
[required] The Amazon Resource Name (ARN) of the notification rule.
[required] The ARN of the Chatbot topic to unsubscribe from the notification rule.