For someone invited to a family.
Open C0MP0UND to join your family
The link you were sent opens the C0MP0UND app on your phone. Tap the button to go there.
This link is missing its code. Open the link again from the message or email it came in, or ask your keeper to send a new one.
If nothing happens
C0MP0UND may not be installed on this phone yet, or you may be on a computer. Open the same link again from your messages or email, on the phone where C0MP0UND is installed.