Running EmployeeEventExampleUsingSystemEventBus it shows at the console:
[QueueListener|Send Queue employeehiringservice - 17] EmployeeHiringService > Hired 'Rick'. Details: Employee{ name='Rick', id=1 }
[QueueListener|Send Queue payrollservice - 19] PayrollService > Added 'Rick' with salary 100.
[QueueListener|Send Queue benefitsservice - 20] BenefitsService > Enrolled 'Rick'.
[QueueListener|Send Queue volunteerservice - 21] VolunteerService > Invited 'Rick' to the community outreach program.