You can
            configure your system to poll folders for files and then run actions automatically when
            files are present.Note: This option is available only for
                    Commands actions.
        - 
                In the Scheduling dialog box, select the Run
                        this action automatically check box, and then select
                        by polling for files.
            
- 
                If you want to poll for files continuously, click
                    OK.
                
                If you do not explicitly specify how often to poll for files, default polling
                    period values are used. 
- 
                Click OK.