# Function.prototype

#### Availability

Flash Player 5. If you are using ActionScript 2, use instead of this property.

#### Usage

    myFunction.prototype

#### Description

Note: If you are using ActionScript 2, use instead of this property.

Property; in a constructor function, the `prototype` property refers to an object that is the prototype of the constructed class. Each instance of the class that is created by the constructor function inherits all the properties and methods from the prototype object.