API GetPlayerBuff

Retrieve info about a certain player buff of a certain type.
 buffIndex, untilCancelled = GetPlayerBuff(buffId, buffFilter);
==Arguments==
;buffId : number: The id of the buff to retrieve. Starts at 1 and goes up to 16.
:(String buffFilter)
:;buffFilter : The "filter" to use when selecting buffs. Will affect what types of buffs are retrieved.
:: Verified buffFilters:
::: "HELPFUL|HARMFUL|PASSIVE"
::: "HELPFUL"
::: "HARMFUL"
:: Theoretically, buffFilters can be any combination of HELPFUL, HARMFUL, PASSIVE, CANCELABLE, NOT_CANCELABLE according to comments in the source code.
==Returns==
;buffIndex : The index of the buff. Mainly to use for other GetPlayerBuffXYZ functions. If zero, there is no such buff.
;untilCancelled : If 1, this buff will last until it is cancelled (Aura, Aspect, Stealth).
==Example==
 local buffIndex, untilCancelled = GetPlayerBuff(0, "HELPFUL|HARMFUL|PASSIVE");
;Result : Retrieves buff info about the first buff you have.
==Patch changes==
*
==See also==
:* CancelPlayerBuff
:* GetPlayerBuffApplications
:* GetPlayerBuffTexture
:* GetPlayerBuffTimeLeft
:* GameTooltip:SetPlayerBuff