new ElseIfUndefined(value [, then])
Defines if a value is undefined in an 
Parameters:
| Name | Type | Argument | Default | Description | 
|---|---|---|---|---|
value | 
            
            Object | The value to evaluate.  | 
        ||
then | 
            
            system.process.Action | 
                
                    <optional> | 
            
            
                null | The action to execute if the values is   | 
        
Extends
Methods
- 
    
eval()
 - 
    
    
Evaluates the specified condition.
- Inherited From:
 
 - 
    
toString()
 - 
    
    
Returns the string representation of this instance.
- Inherited From:
 
Returns:
the string representation of this instance.