Uber tests a feature that lets drivers set their own rates.

Uber is testing out a new feature that allows some drivers to choose how much they will charge customers.

The pilot test, which is taking place at three California airports, is Uber’s latest response to a new California law known as AB5 that makes it more difficult for employers in the state to classify workers as independent contractors.

The new feature will enable drivers at the Santa Barbara, Sacramento and Palm Springs airports to set a fair based on a multiple of Uber’s base, time and distance rates for UberX and UberXL trips.