What could UC use to make a automatic update to the payroll system when an employee is offboarded?

Universal Containers (UC) is automatically its employee offboarding process. Payroll information is stored in an external system.

What could UC use to make a automatic update to the payroll system when an employee is offboarded?
A . Salesforce Handler
B . API Connect
C . Outbound Message Action
D . JSON Auto Connector

Answer: C