RulesMessages - mandatory fields
When amending a rule message, the following must be supplied:
- 
                              			            
                              
Language Code - payload element
<LanguageCode> - 
                              			            
                              
Message Code - payload element
<MessageCode> - 
                              			            
                              
Message Description - payload element
<Description> 
Uwaga: At runtime the component validates the payload contents to ensure
                           		  that the values supplied are correct. Various combinations of values may
                           		  require other elements in the payload to be specified before the payload can be
                           		  processed successfully.