# customData1

> This array contains the custom data values when you use a CustomDataModule, or when you call SetCustomParticleData.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.ParticleSystemJobs](/engine/6000.5/script-reference/unityengine/particlesystemjobs.md)
* **Assembly:** UnityEngine.ParticleSystemModule

```csharp
public readonly ParticleSystemNativeArray4 customData1 { get; }
```