code: function initializer(key, secret, options) { 
      if (!key || !secret) {
          if (process.env.CREATOR_ACCESS_KEY && process.env.CREATOR_ACCESS_SECRET) {
              key = process.env.CREATOR_ACCESS_KEY;
              secret = process.env.CREATOR_ACCESS_SECRET;
          }
          else throw config.INVALID_KEYS_ERROR;
      }
      return new RestClient(key, secret, options); 
  }
docs: /* Initialize