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From Pathfinder #151: The Show Must Go On, which isn't enabled.

Staff Sweep

FEAT 6
UNCOMMONARCHETYPEFLOURISH
Activity 1 action
Archetype Staff Acrobat
Prerequisites Staff Acrobat Dedication
Requirements You are wielding your staff.

You sweep your foes away with your staff. Roll an Athletics check to Shove or Trip, and compare the result to the appropriate DCs of up to two foes, each of whom must be within your reach and no more than 5 feet apart.

Pathfinder #151: The Show Must Go OnOGL