A demonstration on a fictional property. Nothing here is a real organization, and nothing on this page affects nDiligence or any site you use.
What to do. Select the staging environment, then deploy the release.
Scripted run. This walkthrough is playing itself. You are not driving it, and what it does next was decided in advance.
Acme Ops: the release went to the wrong system
An engineer selects a staging environment and deploys to it. A component changes the target behind the screen. The release runs against the live system, which does not survive it. This one is shown as effect only. What appears is what an operator would experience, and no part of it is a method.