# B

> 'b' key.

## Definition

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

```csharp
B = 98
```

### Examples

```csharp
//Attach this to a GameObject
//This script tells when the B arrow key is pressed down and when it is released
using UnityEngine;

public class Example : MonoBehaviour
{
    void Update()
    {
        //Detect when the B arrow key is pressed down
        if (Input.GetKeyDown(KeyCode.B))
            Debug.Log("B key was pressed.");

        //Detect when the B arrow key has been released
        if (Input.GetKeyUp(KeyCode.B))
            Debug.Log("B key was released.");
    }
}
```