# QUOTENAME

Returns a Unicode string with the delimiters added to make the input string a valid Lyftron delimited identifier.

## Syntax

```QUOTENAME ( 'character_string' [ , 'quote_character' ] )
```

## Arguments

'character_string' Is a string of Unicode character data. character_string is sysname and is limited to 128 characters. Inputs greater than 128 characters return NULL.

'quote_character'
Is a one-character string to use as the delimiter. Can be a single quotation mark ( ' ), a left or right bracket ( [] ), or a double quotation mark ( " ). If quote_character is not specified, brackets are used.

nvarchar(258)

## Examples

```SELECT QUOTENAME('abc[]def');
```