What values are accessible to the Logger at the end of the flow after a web client submit request to http://local:801/order?color=red?

Refer to the exhibit.

The main flow contains an HTTP Request in the middle of the flow. The HTTP Listeners and HTTP request use default configurations.

What values are accessible to the Logger at the end of the flow after a web client submit request to http://local:801/order?color=red?
A . payload
B . payload quantity var
C . payload color query param
D . payload quantity var color query param

Answer: A

Explanation:

In this case as outbound call is made using HTTP: POST /child, all attributes will be replaced by this invocation. Hence query parameter will not be accessible at logger.