Add Reaction

import { WebClient } from "@slack/web-api"

/**

 * Add Reaction

 * Add an emoji reaction to a message identified by its channel and `timestamp` (the message's `ts`). `name` is the emoji name without colons, e.g. "thumbsup". Requires reactions:write on the connection.

 */

export async function main(

  auth: RT.Slack,

  channel: string,

  timestamp: string,

  name: string

) {

  const client = new WebClient(auth.token)

  return await client.reactions.add({ channel, timestamp, name })

}