# Key.isDown()

#### Availability

Flash Player 5.

#### Usage

    Key.isDown(keycode);

#### Parameters

`keycode` The key code value assigned to a specific key, or a Key object property associated with a specific key.

#### Returns

A Boolean value.

#### Description

Method; returns `true` if the key specified in `keycode` is pressed, `false` if it is not. On the Macintosh, the key code values for the Caps Lock and Num Lock keys are identical.