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 /trackfilter [ red | yellow | white | blue | green ]
Description Toggle the NPCs to display in your tracking window, categorized by /consider colors.



/trackfilter red - will toggle the display of all 'red' (dangerous) NPCs from your tracking display.

See also