# String (function)

#### Availability

Flash Player 4.

#### Usage

    String(expression)

#### Parameters

`expression` An expression to convert to a string.

#### Returns

A string.

#### Description

Function; returns a string representation of the specified parameter as follows:

If `expression` is a Boolean value, the return string is `true` or `false`.

If `expression` is a number, the return string is a text representation of the number.

If `expression` is a string, the return string is `expression`.

If `expression` is an object, the return value is a string representation of the object generated by calling the string property for the object, or by calling `Object.toString` if no such property exists.

If `expression` is a movie clip, the return value is the target path of the movie clip in slash (/) notation.

If `expression` is `undefined`, the return value is an empty string ("").

#### See also

`Number.toString()`, `Object.toString()`, String object, `" " (string delimiter)`