Maestro user guide

Reminder attached to a task (non‑interrupting timer)​

• You want periodic reminders while a task stays open.
• The task should remain available until completion or timeout.

1. Start.

2. User task: Await submission. Attach a non‑interrupting boundary timer set to a schedule, for example every three days.

3. On timer: Service task Send reminder. End Reminder sent.

4. Main path: Exclusive gateway Submitted? If Yes, End Graded. If No and deadline reached, End Deadline missed.

   Note:

   The timer does not stop the user task.

   Other scenarios

• Finance: Invoice approval reminders.
• Healthcare: Appointment reminders before due date.
• Manufacturing: Supplier update reminders.
• Retail: Purchase order follow‑ups.
• Public sector: Application completion reminders.

Deadline breach stops the task (interrupting timer)​

• A task must end automatically after a fixed duration.
• There is a clear SLA or cutoff.

1. Start.

2. User task: Await confirmation. Attach an interrupting boundary timer set to a duration, for example 48 hours.

3. On timer: Service task Cancel booking. End Cancelled.

4. On message Confirmation received: Service task Schedule install. End Scheduled.

   Note:

   The interrupting timer ends the user task when time expires.

   Other scenarios

• Finance: Month‑end approval deadline triggers escalation.
• Healthcare: Consent not received by deadline leads to reschedule.
• Retail: Quote expiration triggers closure.
• Public sector: Unanswered notice triggers auto‑closure.
• Manufacturing: Unacknowledged purchase order triggers auto‑cancel.

Start on a schedule (timer start)​

• The process must start on a recurring schedule.
• Execution is independent of external input.

1. Timer start: Every day at a specific time, for example 05:00.

2. Service task: Optimize routes.

3. End Routes ready.

   Note:

   Define the recurrence schedule and timezone.

   Other scenarios

• Finance: Daily cash‑flow report.
• Healthcare: Daily patient census updates.
• Retail: Nightly inventory sync.
• Manufacturing: Daily production scheduling.
• Public sector: Nightly data consolidation.

Staged escalation (laddered timers)​

• You want multiple reminders before a final close.
• Work continues until the final condition or message arrives.

1. Start.

2. User task: Await required documents.

3. Non‑interrupting timer after three days: Service task Send gentle reminder. End Reminder one sent.

4. Non‑interrupting timer after seven days: Service task Send urgent reminder. End Reminder two sent.

5. Interrupting timer after ten days total: Service task Close case for no response. End Closed.

6. Interrupting message Documents received: User task Review submission. End Reviewed.

   Note:

   Use non‑interrupting timers for reminders and one interrupting control for closure.

   Other scenarios

• Finance: Expense receipts overdue — reminder, warning, close.
• Healthcare: Missing pre‑op clearance — reminder, escalate, reschedule.
• Manufacturing: Vendor compliance documents — staged reminders before cutoff.
• Retail: Supplier purchase order confirmation — staged follow‑ups.
• Public sector: Missing grant application forms — staged reminders.