# Enum ParameterPurpose

OptimaJet.Workflow.Core.Model.ParameterPurpose

Specifies the lifecycle and persistence behavior of a process parameter.

Namespace: [OptimaJet.Workflow.Core.Model](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/)

```csharp
public enum ParameterPurpose
```

## Fields

`Temporary = 0` 

Indicates a process parameter that remains in memory for the current process execution and is not saved by the [IPersistenceProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Persistence/IPersistenceProvider/).

`Persistence = 1` 

Indicates a process parameter that the [IPersistenceProvider](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Persistence/IPersistenceProvider/) saves and restores for later process executions.

`System = 2` 

Indicates a process parameter that Workflow Engine maintains from process and execution information.

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