MuleSoft.MCD-Assoc.v2020-02-09.q10/No.6: Refer to the exhibit. How is the watermark referenced inside the Set Payload transformer? (Exhibit)

Refer to the exhibit. How is the watermark referenced inside the Set Payload transformer?

A. #[message.inboundProperties.createdOn] B. #[message.outboundProperties.createdOn] C. #[payload.createdOn] D. #[flowVars.createdOn]