TellMeWhen is a WoW WotLK addon that provides visual, auditory, and textual notifications about cooldowns, buffs, and pretty much every other element of combat. TellMeWhen is…

Flexible

Icons can track any of the following things:

Cooldowns

Buffs/Debuffs

Reactive abilities

Temporary weapon enchants

Totems

Rune cooldowns

Internal cooldowns

Others’ cooldowns

Diminishing returns

Spell casts

…And any combination of over 110 other things with easy-to-use conditions.

Commands

‘/tmw’ – Toggles TellMeWhen between locked (functional) or unlocked (configuration) states.

‘/tmw options’ – Opens the general settings configuration for TellMeWhen.

‘/tmw profile “Profile Name”‘ – Loads a TellMeWhen profile. Profile name is case sensitive, and must be quoted if it contains spaces. (E.g. ‘/tmw profile “Cybeloras – Aerie Peak”‘).

‘/tmw enable global|profile groupID iconID’ – Enables the specified group or icon (E.g. ‘/tmw enable 2 4’ or ‘/tmw enable global 3’).

‘/tmw disable global|profile groupID iconID’ – Disables the specified group or icon (E.g. ‘/tmw disable profile 2 4’ or ‘/tmw disable 3’).

‘/tmw toggle global|profile groupID iconID’ – Toggles the specified group or icon between enabled and disabled (E.g. ‘/tmw toggle global 2 4’ or ‘/tmw toggle profile 3’).

‘/tmw cpu’ – Enables and displays a UI for measurements of icon performance. This is an advanced feature; no guidance on reading the data will be offered.