# GradientAlphaKey

> Alpha key used by Gradient.

## Definition

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

```csharp
public struct GradientAlphaKey
```

## Remarks

Additional Resources: [GradientColorKey](/engine/6000.7/script-reference/unityengine/gradientcolorkey.md), [Gradient](/engine/6000.7/script-reference/unityengine/gradient.md).

## Fields

| Value                                                                          | Description              |
| ------------------------------------------------------------------------------ | ------------------------ |
| [alpha](/engine/6000.7/script-reference/unityengine/gradientalphakey/alpha.md) | Alpha channel of key.    |
| [time](/engine/6000.7/script-reference/unityengine/gradientalphakey/time.md)   | Time of the key (0 - 1). |

## Constructors

| Constructor                                                                                                           | Description         |
| --------------------------------------------------------------------------------------------------------------------- | ------------------- |
| [GradientAlphaKey(System.Single,System.Single)](/engine/6000.7/script-reference/unityengine/gradientalphakey/ctor.md) | Gradient alpha key. |