Autofill has 2 operating mode : Manual and Automatic.
Once a settings profile is done, select the profile you want to use
and click on 
The file list is then filled in with the sound files (if any) corresponding to the options selected in the "Source Path & Mask" field.
The 
and 
buttons will be accessible in the main window.
Generate Diagnostics : Used by administrators to generate information when an operating problem arises or simply to view technical details when processing items.
Use DBWin32 or DebugView tools to monitor information. Leave it unchecked unless otherwise instructed.
Enable Logger : Process informations will be sent to Service Logger.
I.Play : Intro Play : By ticking this checkbox, and clicking on 
, Autofill will play the first 10 secondes of each files from the list.