Currently, it is not possible to use promotional codes during the online booking process. There is a need for an integrated code system that allows marketing actions to be applied and measured. Promotional codes are manageable (create, activate/deactivate, validity period). Promotional codes should be easy to add to a marketing email Customers must be able to enter a promotional code when booking online. The system validates the promotional code (valid/invalid/expired). If the code is valid, the corresponding discount or promotion is applied automatically. Promotional codes can be used to track marketing actions.