Yup.
Create an event that fires after GetByID for the trigger.
You can find more details about configuring the REST widget here:
Epicor Kinetic- rest-erp - Kinetic 202X - Epicor User Help Forum (epiusers.help)
Plenty of posts out there around configuring REST for Kinetic that should get you to where you need. Obviously, you will need to modify it to suit your LaborDtl needs.