# NullValue

Returns a null value.

## Method Signature

```
NullValue()
```

### Arguments

This function does not accept any arguments

## Examples

### Boxlang polyfill

Using java data type null instead

[Run Example](https://try.boxlang.io/?code=eJwrL8osSfUvLSkoLdFQyCz2K83J0VDIA5JhiTmlqRqaCkBozQUAFlIMpA%3D%3D)

```java
writeOutput( isNull( nullValue() ) );

```

Result: YES

### Additional Examples

[Run Example](https://try.boxlang.io/?code=eJw1i7EKwjAURfd%2BxR3TpVlFiW66FAcFHaWmKQ0kTUjea%2BjfGwWnA%2BfcKyWyMaDZZqx2NAFTSOhZV7mwc8gcY0gEdcRMFPNeylJKtwUmfptOBy%2FLQHo%2Brepyd8%2Bpv%2B3OKTd%2Be%2F3uCteKx%2BDYiPbQjOyjgM1fKfAftajpAx%2BpLzA%3D)

```java
my_null = NullValue();
dump( isNull( my_null ) );

```

## Related

* [ArrayLen](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/type/arraylen)
* [GetMetaData](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/type/getmetadata)
* [Len](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/type/len)
* [StringLen](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/type/stringlen)
* [StructCount](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/type/structcount)