# 
        cp.i18n.languageID
    
As per Apple's documentation,
a language ID is a code which identifies either a language used across multiple regions,
a dialect from a specific region, or a script used in multiple regions. See the 
When you parse a code with the cp.i18n.language table, and up to one of either the matching cp.i18n.region
or cp.i18n.script tables. These contain the full details for each language/regin/script, as appropriate.
You can also convert the resulting table back to the code via tostring, or the 
        # 
        API Overview
    
Functions - API calls offered directly by the extension
- is 
- parse 
Constructors - API calls which return an object, typically one that offers API methods
- forCode 
- forLocaleID 
- forParts 
Fields - Variables which can only be accessed from an object returned by a constructor
- code 
- language 
- region 
- script 
Methods - API calls which can only be made on an object returned by a constructor
- toLocaleID 
