多项选择题
A. manage workflow notifications
B. provide information about roles
C. store performer and roles relationships
D. manage workflow session connection
多项选择题 What is true about a background engine? （）(Choose two.)
多项选择题 Which two statements are true about a Work Item with "Open" Notification? （）(Choose two.)
单项选择题 You have been tasked with creating Business Events for an E-Business Suite workflow project. Whatwould you use to create your Business Events?（）