CODE EXAMPLE FOR JAVASCRIPT

(node:3644) UnhandledPromiseRejectionWarning: TypeError [EMOJI_TYPE]: Emoji must be a string or GuildEmoji/ReactionEmoji

if (message.content === '!react-custom') {
	const reactionEmoji = message.guild.emojis.cache.find(emoji => emoji.name === 'ayy');
	message.react(reactionEmoji);
}