UnitIsUnit

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Info
Added in 1.0.0 / 1.13.2

Returns true if the specified units are the same unit.

isSame = UnitIsUnit(unit1, unit2)

Arguments

unit1

string : UnitId - The first unit to query (e.g. "party1", "pet", "player")

unit2

string : UnitId - The second unit to compare it to (e.g. "target")

Returns

isSame

boolean - 1 if the two units are the same entity, nil otherwise.

Example

if ( UnitIsUnit("targettarget", "player") ) then
 message("Look at me, I have aggro from " .. UnitName("target") .. "!");
end;

Result

Displays a message if your target is targetting you.