A variety of guest information result with requests or stays. They concern the reservation behaviour, the product interest, the market segment, the leisure interests or simply the predilections of the guests. All information, which forms meaningfully gathered a comprehensive customer profile. The CITADEL CRM module helps you to use these data wise in the marketing and distribution. Horizontal and vertical distribution levels become a high degree of transparency and you use all information for an effective relationship management and a successful campaign planning.