Managing private channel membership
In the earlier sections, we mentioned that private channel members must be members of the channel's parent team. For example, if you create a private channel named Managers inside of a team named Sales, members of the Managers channel must also be members of the overall Sales team before they can be added (this means they'd also have access to all of the parent team's standard channels).
Channel owners are responsible for managing that channel's membership and settings. There must always be one owner, and if the last owner of a channel leaves your organization, a channel member will be automatically promoted to the owner.
Channel members participate in private channels similarly to standard channels. However, one unique note here is that if a private channel member leaves the parent team, they're also removed from all private channels within that team. If they re-join or are re-added to the team, they'll also need...