What are the prerequisites to use this functionality?

It is possible to collect a trace from all systems that an app touches from devices to SAP Mobile Platform, to SAP Gateway, to the SAP backend.

What are the prerequisites to use this functionality? Note: There are 2 correct answers to this question.
A . The user must agree to this tracing.
B . The Technical Availability Monitoring (TAM) must be enabled.
C . The tracing must be turned on from the device
D . Application developers must use the features oT SMP in their native or hybrid apps.

Answer: C,D