Event gateway immediately interrupts all catching events when any single one occurs. For more versatile logic consider the combination of parallel gateway and terminating event.
Mind the difference between the diagrams below: while “to do” process waits for the message all the time till the end, “no to do” process interrupts when the timer triggers. If the message arrives while we are clarifying delay with the client, it won't be caught and the process will hang after returning to the event gateway.
— Anatoly Belaychuk 2023-09-10 12:51