/msg - the Profanity /msg command.

<contact>
           Open chat window with contact, by JID or nickname.

       <contact>[<message>]
           Send message to contact, by JID or nickname.

       <nick>
           Open private chat window with chat room occupant.

       <nick>[<message>]
           Send a private message to a chat room occupant.

       Send  a one to one chat message, or a private message to a chat room occupant. If the message is omitted,
       a new chat window will be opened without sending a message. Use quotes if the nickname includes spaces.

       /msg thor@valhalla.edda Hey, here's a message!

       /msg heimdall@valhalla.edda

       /msg Thor Here is a private message

       /msg "My Friend" Hi, how are you?

0.13.1                                             2023-08-03                                             man(1)

       /msg - the Profanity /msg command.

       /msg <contact> [<message>]

       /msg <nick> [<message>]