Indicates whether you have already set a particular parameter.
      
        Data
type: LOGICAL
      
        Access: Read-only
      
        Applies
to:
        Call object handle
      
     
    Syntax
      
      
          
          
            
              | IS-PARAMETER-SET ( parameter-number ) | 
          
        
        
          - 
            parameter-number
          
- An integer expression indicating the order of the parameter,
where 1 represents the first parameter, 2 represents the second
parameter, and so on.
If the parameter
is set, IS-PARAMETER-SET returns TRUE. Otherwise, it returns FALSE.
The default is FALSE.