`GetItemCreatorName`

ESO Lua API function — used by 28 of the 3,030 addons we indexed (combined 17,563,870 downloads). Signature from the official ESOUIDocumentation.txt, API version 101050.

Official signature

GetItemCreatorName([Bag|#Bag] bagId, integer slotIndex)

Returns: string creatorName

Real usage — from Dolgubon's Lazy Writ Crafter

local function equipmentCheck(link, bag, slot)
	return GetItemCreatorName(bag, slot)~= GetUnitName("player") or
		GetItemTrait(bag, slot) ~= ITEM_TRAIT_TYPE_NONE or GetItemLinkFunctionalQuality(link) ~= ITEM_FUNCTIONAL_QUALITY_NORMAL or

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

Most-downloaded addons using it

Addon	Total downloads
Dolgubon's Lazy Writ Crafter	9,498,314
LibLazyCrafting	6,538,592
Wizard's Wardrobe	481,038
Bandits Gear Manager	306,643
Lykeion's AutoLoot+	177,775
Confirm Master Writ	135,297