{{DOCUMENT_VERSION}}: contains the timestamp of generation of the document.

{{WORK_SCHEDULE_PERIOD_START_DAY}}: first day of the period of the work schedule as defined either in the send schedule of the work schedule or as defined by the screen context.

{{WORK_SCHEDULE_PERIOD_START_DATE}}: first date of the period of the work schedule as defined either in the send schedule of the work schedule or as defined by the screen context.

{{WORK_SCHEDULE_PERIOD_END_DAY}}: last day of the period of the work schedule as defined either in the send schedule of the work schedule or as defined by the screen context. If period = till the end = last day for which data exists.

{{WORK_SCHEDULE_PERIOD_END_DATE}}: last date of the period of the work schedule as defined either in the send schedule of the work schedule or as defined by the screen context. If period = till the end = last date for which data exists.