now  - script and chart function
                This function returns a timestamp of the current time from the system clock. The default value is 1.
Syntax:
now([ timer_mode])
Return data type: dual
Arguments:
| Argument | Description | 
|---|---|
| timer_mode | 
                                 Can have the following values: 
 Information noteIf you use the function in a load script, timer_mode=0 will result in the time of the last finished data load, while timer_mode=1 will give the time of the function call in the current data load. 
                             | 
                        
Examples and results:
| Example | Result | 
|---|---|
| 
                                 now( 0)  | 
                            
                                 Returns the time when the last data load completed.  | 
                        
| 
                                 now( 1)  | 
                            
                                
  | 
                        
| 
                                 now( 2)  | 
                            
                                 Returns the time when the document was opened.  |