Log In to a Customer Org
To set up an ISV Customer Debugger
session, log in to your subscriber’s org. If you’re not familiar with this process, see the ISVforce Guide.
For information on how to obtain login access to your subscriber’s org, see Request Login Access from a Customer. For information on how to log in via the Subscriber Support Console, see Logging In to Subscriber Orgs. You can debug only sandbox orgs.