ESODecoded

GetAchievementCriterion

ESO Lua API function — used by 76 of the 3,030 addons we indexed (combined 41,494,617 downloads). Signature from the official ESOUIDocumentation.txt, API version 101050.

Official signature

GetAchievementCriterion(integer achievementId, luaindex criterionIndex)

Returns: string description, integer numCompleted, integer numRequired

Real usage — from Dolgubon's Lazy Writ Crafter

	for i = 1, 6 do
		local _, isComplete = GetAchievementCriterion(1145, i)
		buffer = buffer + isComplete

Short excerpt from the shipping addon Dolgubon's Lazy Writ Crafterits ESOUI page; the code belongs to its author. Shown because documentation without a working example is half a reference.

Most-downloaded addons using it

AddonTotal downloads
Dolgubon's Lazy Writ Crafter9,498,314
Destinations8,211,449
Map Pins8,061,548
CraftStore5,176,147
AI Research Grid1,195,942
Rare Fish Tracker1,177,082