Structured menu of available datasources and data tables
     
    
    Usage
    datasource_menu(datasource = NULL, lang = NULL)
 
     
    
    Arguments
- datasource, 
 
character, Datasource name
 
- lang, 
 
Two-letter language code, e.g. "en" or "sv".
 
 
    
    Value
    Nested list of datasource_menu and datasource_menu_item objects