$addMessageReactions
Adds reactions (emojis) to a message by its ID.
Usage: $addMessageReactions[channelId;messageId;emoji;emoji;...]
channelId: The ID of the channel where the message is located.messageId: The ID of the message to react to.emoji: The emoji(s) to add as reactions. You can specify multiple emojis separated by a semicolon (;). These can be standard emojis or custom emojis.
Example
This example demonstrates adding multiple reactions to a message using its ID.

You can use the function format {reactions} (formatted as curl) to use inside functions like $sendMessage to easily apply reactions.