The actions to execute when this alarm transitions to an OK state from any other state. Each action is specified as an Amazon Resource Name (ARN).
OK
Valid Values: arn:aws:sns:<i>region</i>:<i>account-id</i>:<i>sns-topic-name</i>
arn:aws:sns:<i>region</i>:<i>account-id</i>:<i>sns-topic-name</i>