# Enum TransitionClassifier OptimaJet.Workflow.Core.Model.TransitionClassifier Specifies the direction classification assigned to a [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/). Namespace: [OptimaJet.Workflow.Core.Model](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/) ```csharp public enum TransitionClassifier ``` ## Fields `NotSpecified = 0` Indicates that no direction classification is assigned to a [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/). This is the default [TransitionClassifier](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionClassifier/) value. `Direct = 1` Indicates that a [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) is classified as forward. `Reverse = 2` Indicates that a [TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/) is classified as backward or corrective. [Previous TimerType](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TimerType/) [Next TransitionDefinition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/)