This scope lets an app "View your workspace's list of members and their contact information"
This OAuth permission scope works with these Web API methods and Events API events.
bots.info - Gets information about a bot user.users.getPresence - Gets user presence information.users.info - Gets information about a user.users.list - Lists all users in a Slack team.team_join - A new member has joineduser_change - A member's data has changed