DeleteTopic Method
Deletes the specified topic.
Syntax
sns.deleteTopic(topicArn, [callback])
Callback
The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).
The callback for this method is defined as:
function(err){ }
'err' is the error that occurred. If there was no error, then 'err' is 'null'.
'err' has 2 properties which hold detailed information:
err.code err.message
Remarks
This method deletes the topic specified by the TopicArn parameter. All subscriptions to this topic will also be deleted. If the topic does not exist, no error is returned by Amazon.