for exemple update is scheduled at 06h AM = > at 6 AM the schedule start and wait for the file //temp/schedule/logistic_updt_donne.txt. When this file is created by external job, the update can begin. At the end of update, the file is deleted
typical use, a job load and update data in a database and these data are used by Spotfire. This synchronization prevents spotfire from being updated before the database.