| prefix 
 | char* | 
 | Add a prefix code | 
| separator 
 | char* | 
 | the separator between the prefix and the code. The list of allowed separators is:! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | } ~ | 
| formatSpec 
 | char* | 
 | the code format, under the database syntax. | 
The type of ID will be of Linkar type.