A guest is someone who is not part of your team but works with your team (e.g. a contractor)
To add them to a conversation:
In the conversation list:
- Tap the conversation that you'd like to add a guest to.
- Tap the conversation name.
- Tap Guest Options.
- Toggle to Allow guests and services.
- Tap Add Participants.
- Select the guest you'd like to add.
- Tap Add people to Group.
A banner at the top of the conversation will appear stating GUESTS ARE PRESENT.