# IsSparse()

> Returns whether the available entities are not a single contiguous run starting at slot 0 (i.e. there are gaps between available entities). A fully-available chunk returns false. Does not consume any entities, so it may be called before iterating.

## Definition

* **Type:** Method
* **Namespace:** [Unity.Entities](/engine/7000.0/script-reference/unity/entities.md)
* **Assembly:** UnityEngine.EntitiesModule

```csharp
public readonly bool IsSparse()
```

### Returns

| Type                                                          | Description                                  |
| ------------------------------------------------------------- | -------------------------------------------- |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) | Whether the available entities contain gaps. |