API CancelUnitBuff

Removes a specific buff from the unit. CancelUnitBuff("unit", buffIndex [,"filter"]);

Arguments

 * unit : String (unitId) - Unit to cancel the buff from, must be under the player's control.
 * buffIndex : Number - index of the buff to cancel, ascending from 1.
 * filter : String - any of combination of "HELPFUL|HARMFUL|PLAYER|RAID|CANCELABLE|NOT_CANCELABLE".