API GameTooltip SetUnitAura

GameTooltip:SetUnitAura shows the tooltip for a unit's aura.
 GameTooltip:SetUnitAura("unitId", auraIndex[, filter])
;Arguments
:("unitId",auraIndex[, filter])
:;unitId : String - the unitId of the unit whose aura is to be shown
:;auraIndex : Number - the index of the aura to be shown, or string - aura name
:;filter : same as UnitAura(...) "HARMFUL" for debuffs, "HELP" for buffs, "RAID" for raid specific, etc...
;Returns
:unknown