If you are the group owner or admin, you can set an ID for your group. The group ID can be used when adding new members. You can send the ID to the people within the same workplace you want to add to your group for them to enter and join.
To set a group ID:
1. You must be the owner or admin of the group.
2. Enter Group Settings.
3. Tap Group ID.
4. Set Group ID and tap Done to complete.
5. Enable Join by Group ID.
Note: Group ID can only be set once. It cannot be changed later.
– Please enable Join by Group ID in Group ID setting page if you want others to join your group by group ID.