Description
A Conditional Start Event is triggered when a condition is specified, become true. For example, “S&P 500 changes by more than 10% since opening” or “Temperature above 300C”.
A Conditional Start Event displays either of the following on a diagram:
- A Conditional Start Event name if the name is specified.
 - A Condition property value if the name is unspecified.
 
A conditional expression of an event must become “false”, and then “true” before the event can be triggered again.
Notation
- Interrupting Conditional Start Event

 - Non-interrupting Conditional Start Event

 
Related element
Related procedure