# touchId

> The unique identifier for the touch. Unity reuses identifiers after the touch ends.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.DeviceSimulation](/engine/6000.7/script-reference/unityeditor/devicesimulation.md)
* **Assembly:** UnityEditor.DeviceSimulatorModule

```csharp
public readonly int touchId { get; }
```