# Validate()

> Run consistency checks on a query description, and throw an exception if validation fails.

## Definition

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

```csharp
[Conditional("UNITY_DOTS_DEBUG")]
[Conditional("ENABLE_UNITY_COLLECTIONS_CHECKS")]
public void Validate()
```