sequenceDiagram Scheduler->>BOL: Reserve IWO BOL->> Scheduler: Confirm Scheduler->>SSD: Reservations Scheduler->>ICTO: Reservations ICTO->>FUNCT: Exam requirements Scheduler->>AC: Reservations AC->>ICTO: Create account and itembank ICTO->>AC: Create itembank categories ICTO->>Teacher: Account info and invite for training AC->>Teacher: Start making items Teacher->>AC: Items ready AC->>SSD: Exam ready AC->>ICTO: Exam ready SSD->>Students: Exam planned WPO->>ICTO: Come test