send_message sends a message if only verbose is set to TRUE.
send_message(..., verbose = TRUE)
zero or more objects which can be coerced to character (and which are pasted together with no separator) or (for message only) a single condition object.character, the message to be sent.
logical, should the message be sent.
send_message ("This is not a useful message") #> This is not a useful message send_message ("This is not a useful message", verbose = FALSE)