In SAP Cloud Integration, which iFlow element can use a namespace?

Your iFlow builds a payload and sends it to another system. You have activated the Trace log level. In the Message Processing Monitor, what must you investigate to find this payload?

To call an application in the SAP API Business Hub, what do you need?

What describes the basic principles of SAP Leonardo?

What are the advantages of implementing local integration processes? Note: There are 2 correct Answers to this question.