# operator <(Hash128, Hash128)

> Determines whether one hash's value is less than another hash's value

## Definition

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

```csharp
public static bool operator <(Hash128 a, Hash128 b)
```

### Parameters

**** (\[Hash128]\(/engine/7000.0/script-reference/unity/entities/hash128)): The first hash to compare.**** (\[Hash128]\(/engine/7000.0/script-reference/unity/entities/hash128)): The second hash to compare.

### Returns

| Type                                                          | Description                                                  |
| ------------------------------------------------------------- | ------------------------------------------------------------ |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) | Whether the first hash is less than the second hash, or not. |
