zulip/help/include/emoji-and-emoticons-intro.md

There are several ways to use an emoji in your message:

• Enter an emoji name surrounded by :, with help from autocomplete suggestions.

• Select an emoji from the emoji picker

• Use an emoticon

• Paste an emoji

You can add custom emoji for your organization. Like default emoji, custom emoji can be entered into the compose box by name, or selected from the emoji picker.