From the wonderful RedGuides Wiki

This command is added by MQ2Posse

Syntax Key
Notation Description
Text without brackets or braces Required items
<Text inside angle brackets> Placeholder for which you must supply a value
[Text inside square brackets] Optional items
Vertical bar (|) Separator for mutually exclusive items; choose one
{Text | inside | braces} Set of required items; choose one
Ellipsis () Items that can be repeated
Syntax /posse [option] [setting]
Description Set alerts, radius, and commands around player detection.


Option Description
(no option) Lists command syntax
on|off Toggles checking of players. default is off
status Shows current status and settings
load|save Load the ini file, and saves the ini file. Changes do not auto-save, you must manually issue the save command.
{add|del} <name> Adds or deletes a name from friendly list
clear clears all character names
{radius|zradius} <#> Sets radius to check for players. e.g. /posse radius 300
list Lists current names and commands set.
notify [on|off] Toggles notification alerts. Default is on
friendnotify [on|off] Toggles notification alerts for friends. Default is ON.
strangernotify [on|off] Toggles notification alerts for strangers. Default is ON.
guild [on|off] Toggles ignoring guild members, meaning guild members are invisible to all checks. Default is OFF.
fellowship [on|off] Toggles ignoring fellowship members. Default is OFF
audio [on|off] Toggles audio alerts. Default is OFF.
testaudio Plays the audio alert
cmdadd <command> Adds a command that is executed when a stranger is near
cmddel # Deletes a command that is executed when a stranger is near
debug [on|off] Turn debugging on or off


See also