Provided by: profanity_0.11.1-1build1_amd64 

NAME
/flash - the Profanity /flash command.
DESCRIPTION
Make the terminal flash when incoming messages are received in another window. If the terminal doesn't support flashing, it may attempt to beep.
SYNOPSIS
/flash on|off
ARGUMENTS
on|off Enable or disable terminal flash. 0.11.0 2021-09-28 man(1)