How do I set emojis as my email folder icons in Trident (macOS)?

How do I set emojis as my email folder icons in Trident (macOS)?

  1. Click the folder icon you would like to change.
  2. Select an emoji from the icon list that appears.

To revert to the original folder icon:

  1. Right-click on the folder icon.
  2. Select Reset Icon.