Provided by: rxvt-unicode-256color_9.19-1_amd64 bug

NAME

       bell-command - execute a command when the bell rings

DESCRIPTION

       Runs the command specified by the "URxvt.bell-command" resource when a bell event occurs.
       For example, the following pops up a notification bubble with the text "Beep, Beep" using
       notify-send:

          URxvt.bell-command: notify-send "Beep, Beep"