# Interface IProcessInstanceTreeItem

OptimaJet.Workflow.Core.Persistence.IProcessInstanceTreeItem

Represents the persisted data for one process instance in a [ProcessInstancesTree](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Subprocess/ProcessInstancesTree/) hierarchy.

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

```csharp
public interface IProcessInstanceTreeItem
```

## Type Hierarchy

-   IProcessInstanceTreeItem Current type
    -   Implementing types
        -   [ProcessInstanceTreeItem](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/ProcessInstanceTreeItem/)
        -   [ProcessInstanceTreeItem](https://api.workflowengine.io/mongodb/OptimaJet.Workflow.MongoDB/ProcessInstanceTreeItem/)

## Properties

`Guid Id { get; set; }` 

Gets or sets the process ID exposed by [ProcessInstance.ProcessId](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessInstance/).

`Guid? ParentProcessId { get; set; }` 

Gets or sets the immediate parent process ID exposed by [ProcessInstance.ParentProcessId](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessInstance/), or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) for the root process.

`Guid RootProcessId { get; set; }` 

Gets or sets the process ID of the top-level process instance, exposed by [ProcessInstance.RootProcessId](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessInstance/).

`string SubprocessName { get; set; }` 

Gets or sets the name assigned to the subprocess, exposed by [ProcessInstance.SubprocessName](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessInstance/).

`string StartingTransition { get; set; }` 

Gets or sets the name of the [TransitionForkType.ForkStart](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionForkType/) transition that created the subprocess, as recorded by [ProcessDefinition.StartingTransition](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ProcessDefinition/).

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