There's also a search box available if you need to look up older chats. The ability to add emojis, GIFs, and images is down at the bottom, next to the text input bar.

How to schedule a text 1. Open Messages. 2. Tap into the correct chat. 3. Tap the plus (+) sign next to the text box. 4. Tap Send Later -- you might have to tap More to see this option.