You focus on the target object, opening your mind to perceive magical auras.
Cantrip
Concentrate
Detection
Manipulate
Rank
Cantrip
Traditions
Arcane, Divine, Occult, Primal
Traits
Cantrip, Concentrate, Detection, Manipulate
Cast
1 minute
Range
30 feet
Targets
1 object
You focus on the target object, opening your mind to perceive magical auras. When the casting is complete, you know whether that item is magical, and you or anyone you advise about the aura gains a +2 circumstance bonus to Identify Magic on the item. If the object is illusory, you detect this only if the effect's rank is lower than the rank of your read aura spell.
Heightened
3rd
You can target up to 10 objects.
6th
You can target any number of objects.
Source: Pathfinder Player Core, p. 352
Bring Read Aura into a Pathfinder 2e game with The DM Screen.