SequenceFlow1 SequenceFlow_1oc72gx SequenceFailure SequenceSuccess ${ValidateStateCode == false} ${ValidateStateCode == true} SequenceSuccess SequenceFlow1 SequenceFlow_1dl15vl SequenceFlow_0i5bg7v Followed when updates occur which do not interact with Validate State Code SequenceFlow_1dl15vl SequenceFlow_1oc72gx SequenceFlow_0i5bg7v Not using an expression due to a bug. https://forum.camunda.org/t/how-can-i-check-if-a-variable-is-set/4581/10 execution.getVariable('ValidateStateCode') != null Validation State Code is required Validation State Code is required SequenceFailure