From the wonderful RedGuides Wiki

This command is added by EverQuest

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 /usetarget
Description Simulates a 'right-click' on a targeted NPC, or left click on targeted player. Useful when merchants are covered in other players, making them hard to click.



See also