man(1)

NAME
/blocked

DESCRIPTION
Manage blocked users (XEP-0191), calling with no arguments shows the current list of blocked users. To blog a certain user in a MUC use the following as jid: room@conference.example.org/spammy-user

SYNOPSIS
/blocked

/blocked add [<jid>]

/blocked remove <jid>

ARGUMENTS

add [<jid>]
    Block the specified Jabber ID. If in a chat window and no jid is specified, the current recipient will be blocked.

remove <jid>
    Remove the specified Jabber ID from the blocked list.

EXAMPLES
/blocked add hel@helheim.edda

/blocked add profanity@rooms.dismail.de/spammy-user