`HasActiveCompanion`

ESO Lua API function — used by 30 of the 3,030 addons we indexed (combined 6,731,614 downloads). Signature from the official ESOUIDocumentation.txt, API version 101050.

Official signature

HasActiveCompanion()

Returns: bool hasActiveCompanion

Real usage — from Inventory Insight

function IIfA:UpdateCompanionCharLookups()
  if not HasActiveCompanion() then
    return

Short excerpt from the shipping addon Inventory Insight — 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
Inventory Insight	2,763,446
PerfectPixel	1,399,987
Foundry Tactical Combat (FTC)	1,097,601
Info Panel	368,274
Bandits Companions and Pets	192,393
LootDrop Reborn	192,278