What are the characteristics of Notification Activities in BPMN 2.0? Note: There are 2 correct answers to this question.

What are the characteristics of Notification Activities in BPMN 2.0? Note: There are 2 correct answers to this question.
A . They are sent to recipients from the User Management Engine (UME).
B. They send SMS to selected recipients.
C. They are used in iFlows for alerting purpose.
D. They are created in a separate step in the process model.

Answer: A,D