`GetGuildName`

ESO Lua API function — used by 229 of the 3,030 addons we indexed (combined 37,441,559 downloads). Signature from the official ESOUIDocumentation.txt, API version 101050.

Official signature

GetGuildName(integer guildId)

Returns: string name

Real usage — from Action Duration Reminder

    if guildId then
      local guildName = GetGuildName(guildId)
      if guildName and guildName ~= "" then

Short excerpt from the shipping addon Action Duration Reminder — 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
Action Duration Reminder	6,522,011
Tamriel Trade Centre	5,234,232
AwesomeGuildStore	4,722,462
Master Merchant 3.0	3,883,523
Inventory Insight	2,763,446
pChat (Chat customization & help: look/notification/sound/automation/history)	1,832,805