Conditional routing

The idea of a condition is to route to an alternative step if the expression is false.

As an example it is useful in case there is a parallel flow where multiple transitions can lead to next state but only if all transitions have been called.

Here you can see an example of a Travel Request workflow. A travel request is approved only if the manager and the department head sign the request. If both are not yet given their approval the workfkflow routes back to Requested step, instead of moving forward to Approved step.

The Condition on the 'Department OK' transition is as follows: