# Unknown

> Indicates that the operating system's language is unknown.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine](/engine/6000.5/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
Unknown = 43
```

### Examples

```csharp
using UnityEngine;

public class Example : MonoBehaviour
{
    void Start()
    {
        //This checks if your computer's operating system is in an unknown language
        if (Application.systemLanguage == SystemLanguage.Unknown)
        {
            //Outputs into console that the system language is unknown
            Debug.Log("This system is in an unknown language. ");
        }
    }
}
```