iFMS is a graphical complementary system for SAP RE-FX and SAP PM/CS. iFMS optimizes the execution of SAP-based business processes in infrastructural, technical and commercial Facility Management and expands the range of functions of SAP through complementary iFMS software modules. Together, iFMS and SAP form a holistic CAFM with a high level of system integration. The key management module supports companies in managing locking systems as well as the issue and return of keys to employees, students and third parties.