Source:unit¶ since 1.1.0 Return the source unit (and modify it on Vars and Sensors) local unit = source:unit([unit]) Parameters¶ Name Type Required Description unit integer optional Returns¶ unit (integer) Examples¶ From the official Ethos documentationsource1 = system.getSource("ALT") print(source:unit())) source:unit(UNIT_FOOT) print(source:unit()))