Where used: State Machine Model

conditions_ / conditionedBy_

Control Condition conditions_ State Transition Rule

State Transition Rule conditionedBy_ Control Condition

Read First: State Machine, State Transition Rule

Determines if a state transition can proceed.  This may fail even though
the state transition rule has been triggered by an event, and executed
its operation.  In this case, the state is not changed, and any
operation on the target state is not executed.