How to fix Cannot read property 'message' of undefined error?

Question

JavaScript

vk.updates.hear(/^(?:\/badge)\s([^]+)?/i, async (message) => {
  badge[message.$match[2]].message.$match[1] = message.$match[3]
    return message.send(`Значение для значка message.$match[1] для [id${message.$match[2]}|Пользователя] установлено на ${message.$match[3]}`); 
});

Answer 1

Check what exists before accessing its properties. badge[message.$match[2]]