WoW API: UnitHealthMax

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Returns the maximum health of the specified unit. Returns the exact hitpoints for friendly players and pets in your raid/party, percentages otherwise.

local max_health = UnitHealthMax(unit);

Parameters

Arguments

unit

UnitId - the unit whose max health to query.

Returns

max_health

Integer - the maximum health of the specified unit

Example

ChatFrame1:AddMessage('Player max health: ' .. UnitHealthMax("player") .. " HP");
ChatFrame1:AddMessage('Target max health: ' .. UnitHealthMax("target").. "%");

Result

Prints the maximum health of player and target units to the chat window.