Add a third, truly event-driven way of Execution Scheduling. Immediate, Always, Tag Change or Trigger, for example. Today, only Timer and Schedule are available. This feature would, for example, be useful for Recipe Download. It is typically acyclic and based on a parameterized request from the machine PLC. A feature like this would minimize the transaction delay/duration, server load and server logging. Especially when paired with integrated OPC UA Servers and OPC Data Mode: Subscribe.