urxvt-bell-command man page

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"

Info

2020-01-30 9.22 RXVT-UNICODE