# Sandbox.SandboxSystemExtensions.GetCommonBaseType

```csharp
static System.Type GetCommonBaseType(IEnumerable<System.Type> types)
```

### Parameters

- `types` (`IEnumerable<System.Type>`)

### Returns

`System.Type`

Declared in [Sandbox.SandboxSystemExtensions](/api/Sandbox.SandboxSystemExtensions).
Assembly: `Sandbox.System`.