For an introduction to Normalized-Message fields, see How does Log-Message Normalization work?.
In this optional Step, you can create a customized Normalized-Message Field and assign it as a condition in a Decision or Output in a Correlation Rule.
To create a Normalized-Message Field:
| 1. | In the side bar, select Resources > Configuration Manager.  | 
            
| 2. | In the side bar of the Configuration Manager, select  Correlation > Normalized-Message Fields.  | 
            
| 3. | Click Add. | 
            
| 4. | Complete the Normalized-Message Field dialog (see Fields in the Normalized-Message Field dialog) and click OK. | 
| 5. | To add the Normalized-Message Field to a Decision or Output in a Correlation Rule, see Defining a Correlation Rule. | 
| 
                         Field  | 
                    
                         Description  | 
                
|---|---|
| 
                         Key  | 
                    
                         A unique ID of your choosing for the Normalized-Message field. The Key can only consist of lower-case letters, numbers, and the underscore character (_).  | 
                
| 
                         Name  | 
                    
                         A name of your choosing for the Normalized-Message field. The Name will appear in the Normalized-Message Field drop-down of both the Decision Settings tab and the Action Settings tab in the Settings panel of the Correlation Rule tab (see Table 94).  | 
                
| 
                         Type  | 
                    
                         The type of Normalized-Message field (e.g., a string, a number, an IP address, or a port number).  |