How do i add another person to an imessage

- How to add another person to an imessage
- How do you add another person to imessage
- How do i add a person to an imessage
- How to add another person to imessage group chat
- How to add another person to imessage chat
- How to add another person to imessage conversation
- How to send an imessage instead of a text message
- How to send imessage instead of text
- Connect imessage to phone number
- Imessage apple id