How to add a line in imessage

- How to add a line in imessage on mac
- How to add a new line in imessage
- How to add a line break in imessage
- How to add a line break in imessage on mac
- How to add subject line in imessage
- How to add subject line in imessage on mac
- How to enable imessage on iphone 13
- How to send an imessage instead of a text message
- How to send imessage instead of text