# overheadSize

> An array that specifies, in bytes, how much of the memory in the returned native allocation is not part of your request. The overhead memory is used for allocation headers and other metadata describing the allocation.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.Profiling.Memory.Experimental](/engine/6000.5/script-reference/unityeditor/profiling/memory/experimental.md)
* **Assembly:** UnityEditor.CoreModule

> **Warning:**
>
> **Deprecated.** This API is outdated and will be removed. Please check out the Memory Profiler Package ([https://docs.unity3d.com/Packages/com.unity.memoryprofiler@latest/](https://docs.unity3d.com/Packages/com.unity.memoryprofiler@latest/))

```csharp
public ArrayEntries<int> overheadSize { get; }
```