The custom text file must have on the first line:
WordList=some short title |
followed by by a list of words or parts of words - each on its own line - that will sound the alert sound. For instance:
WordList=spanish camion tre malo |
To load the file, go to the menu Bot item Word list, and select Load. Then search for the file and load it.
Make sure you have selected a wav file (same menu item, select Sound), and that no other wav file is running (de-select wavs in the aw browser).
If you wish to disable the file, chose Disable.