Extranet V5 - GTM integration

Data shared with GTM for the hotel-selection event:

{
  event: "hotel-selection",
  hotelInfo: {
    id: "HOTEL_ID",
    name: "HOTEL_NAME",
    countryCode: "CH/DE/FR/AT...",
    tenantId: "TENANT_ID",
    whitelabelId: "WHITELABEL_ID"
  },
  userInfo: {
    userId: "USER_ID",
    username: "USERNAME",
    userLanguage: "EN/DE/FR",
    email: "USER_EMAIL_ADDRESS"
  }
}