Open TikTok and go to the comment, caption, or message field
Type the emoji code exactly as written, including the brackets
Use the correct TikTok emoji shortcode for the emoji you want
Press send or post after entering the code
Copy and paste the emoji code if needed
Check that the emoji appears correctly after posting
Use TikTok emojis only where text input is allowed
Replace the code with a different shortcode to change the emoji
Keep the brackets in the code to make it work