# Sandbox.Modals.WorkshopPublishOptions.PublishedFileId

```csharp
ulong PublishedFileId { get; set; }
```

If set, update this existing workshop item instead of creating a new one.

Declared in [Sandbox.Modals.WorkshopPublishOptions](/api/Sandbox.Modals.WorkshopPublishOptions).
Assembly: `Sandbox.Engine`.