# GetPropertyDefaultVectorValue(int)

> Returns the default Vector4 value of the shader property at the specified index.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public Vector4 GetPropertyDefaultVectorValue(int propertyIndex)
```

### Parameters

**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): The index of the shader property.

### Returns

| Type                                                              | Description |
| ----------------------------------------------------------------- | ----------- |
| [Vector4](/engine/6000.0/script-reference/unityengine/vector4.md) |             |

### Remarks

The shader property declaration block specifies the default value.

If Unity cannot find a property at the specified index, the function throws an ArgumentOutOfRangeException. If the property type is not Color or Vector, the function throws an ArgumentException.\\\</description\\>