public void setEmoji(String emoji) {
        this.emoji = emoji;
    }
<p>
The Emoji Version 1.0 graphic of the reaction. These graphics are interpreted slightly differently on different
operating systems.
</p>

@param emoji
       The Emoji Version 1.0 graphic of the reaction. These graphics are interpreted slightly differently on
       different operating systems.
aws-java-sdk-codecommit/src/main/java/com/amazonaws/services/codecommit/model/ReactionValueFormats.java