import Whopsdk from 'whopsdk';

const client = new Whopsdk({
  apiKey: 'My API Key',
});

const reaction = await client.reactions.retrieve('reac_xxxxxxxxxxxxxxxxxxxxxx');

console.log(reaction.id);

{
  "id": "reac_xxxxxxxxxxxxxxxxxxxxxx",
  "resource_id": "<string>",
  "user": {
    "id": "user_xxxxxxxxxxxxx",
    "username": "<string>",
    "name": "<string>"
  },
  "emoji": "<string>"
}