Then navigate to the Workflow App ID from the workflow by following the instruction below:
Go to Site Setting > Site app permissions.
Find the app display name Workflow (Note : NOT NINTEX WORKLFOW).
Get the value of App Identifier of the app display name Workflow.
The app ID is between ms.sp.ext| and the @ symbol, for example the App Identifier is i:0i.t|ms.sp.ext|23803489e-0e9e-4fc3-a3b3-e2bd7599c5ad@a6f890769-0c2d-46f7-9480-072519e051ed. The App ID is 23803489e-0e9e-4fc3-a3b3-e2bd7599c5ad.
Once we have the URL (step 1) and the App ID (step 2) , we can make a link with this format below: