Effective December 3, NetApp adopts Microsoft’s Business-to-Customer (B2C) identity management to simplify and provide secure access to NetApp resources.For accounts that did not pre-register (prior to Dec 3), access to your NetApp data may take up to 1 hour as your legacy NSS ID is synchronized to the new B2C identity.To learn more, read the FAQ and watch the video.Need assistance? Complete this form and select “Registration Issue” as the Feedback Category.
You must know that the powershell cmdlet Add-WfaWorkflowParameter is used to save a dynamically obtained value during command execution. It can't be used in planning.
A constant in the workflow tab is going to be evaluated during planning/preview when no commands have actually started to execute, only the input parameters to the commands have been resolved. So at this time there is nothing that has been added by Add-WfaWorkflowParameter at all.
But why you need this? This looks like s solution being attempted for a requirement. If you can elaborate this, I can suggest something.
If this post resolved your issue, help others by selecting ACCEPT AS SOLUTION or adding a KUDO.