AWS CloudFormation List Stack Step
This step enables you to select a stack from the stack list. This should typically be the first AWS CloudFormation plugin step in your process, as it is used to get information passed to subsequent steps.
|Access Key||The CloudFormation access key for login|
|Secret Key||The CloudFormation secret key for login|
|Region||Select the region that contains the stack you want.|
|Display Results Selection Dialog||
Controls whether the information returned from this step is displayed in a dialog box upon successful execution of the containing process, enabling you to select specific information to be used in subsequent process steps. This is set to true by default, and is implicitly required, because without it, there is no way to select the information.