Extension of the search for productivity by the automation of the operational procedure progress. Designated by the term « Workflow » or « BPM – business process management », this service tends to accelerate the linking in decisions and tasks, automated or not, necessary to the production of a result, in reaction to certain events, under the constraint of delays, quality and traceability. In charge of supervising each event, its usefulness is even greater today when facing traceability and security requirements, particularly in the finance field (LSF).