From Pathfinder Lost Omens Pathfinder Society Guide, which isn't enabled.

Recollect Studies

FEAT 12

Activity 1 action

Prerequisites Swordmaster Dedication; expert in a skill used to Recall Knowledge

Requirements You're fighting a creature of your level or lower that could be identified by Recall Knowledge with a skill in which you're an expert.

You paid attention during your studies and remember the right way to attack various creatures. Choose a creature that meets the requirements. You learn the resistances, immunities, or weaknesses of the creature (your choice) without needing to successfully Recall Knowledge.

Pathfinder Lost Omens Pathfinder Society GuideOGL