Cancels an update on the specified stack. If the call completes successfully, the stack rolls back the update and reverts to the previous stack configuration.
You can cancel only stacks that are in the UPDATE_IN_PROGRESS state.
get/#Action=CancelUpdateStack
Query parameters
StackNamestring required
The name or the unique stack ID that's associated with the stack.
ClientRequestTokenstring
A unique identifier for this <code>CancelUpdateStack</code> request. Specify this token if you plan to retry requests so that CloudFormation knows that you're not attempting to cancel an update on a stack with the same name. You might retry <code>CancelUpdateStack</code> requests to ensure that CloudFormation successfully received them.
Action'CancelUpdateStack' required
Version'2010-05-15' required
Response
Success