Attempts to cancel an environment deployment on an UpdateEnvironment action, if the deployment is IN_PROGRESS. For more information, see Update an environment in the Proton User guide.

The following list includes potential cancellation scenarios.

• If the cancellation attempt succeeds, the resulting deployment state is CANCELLED.

• If the cancellation attempt fails, the resulting deployment state is FAILED.

• If the current UpdateEnvironment action succeeds before the cancellation attempt starts, the resulting deployment state is SUCCEEDED and the cancellation attempt has no effect.