From the Messages app main screen, select a message you'd like to reply to.
Tap the iMessage field.
You can also choose to dictate a message, add emoji, share your heartbeat, or select a message suggestion. Smart actions may appear on this screen from time to time based on the context of the conversation. Smart Actions are proactive suggestions that appear in various places on your Apple Watch to help users quickly accomplish tasks based on context, like location or activity.
Compose your message.
Tap Send.
You've completed the steps!
