This scope is part of an outdated approach to Sign in with Slack.
Apps using the Legacy Sign in with Slack protocol can no longer be created, and existing apps using this scope cannot be added to the App directory. We recommend using the modern Sign in with Slack protocol instead.
This scope works with workspace apps implementing Legacy Sign in with Slack.
You may ask for this scope at the same time as other identity*:read:user scopes; however, you can't ask for it along with other non-identity-related scopes, like users:read or reminders:write:user.