# file

> The identifier of the BuildFile that holds the contents of the packed Asset file.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.Build.Reporting](/engine/6000.0/script-reference/unityeditor/build/reporting.md)
* **Assembly:** UnityEditor

> **Warning:**
>
> **Removed.** Report file index is no longer available. To find the matching report file for a particular asset the recommended way is to do a filename lookup in the report.

```csharp
public uint file { get; }
```