# generateLightingData

> Configures a trail to generate Normals and Tangents. With this data, Scene lighting can affect the trail via Normal Maps and the Unity Standard Shader, or your own custom-built Shaders.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public bool generateLightingData { get; set; }
```

### Examples

```csharp
using UnityEngine;
using System.Collections;

[RequireComponent(typeof(TrailRenderer))]
public class ExampleClass : MonoBehaviour
{
    private TrailRenderer tr;

    void Start()
    {
        tr = GetComponent<TrailRenderer>();
        tr.material = new Material(Shader.Find("Standard"));
        tr.generateLightingData = true;
    }
}
```