How should a developer propagate the order ID as the correlation ID across each message?
How can the common application be included in all API implementation?

A Mule application contains two policies: Policy A and Policy B. Policy A has order 1, and Policy B has order 2. Policy A, Policy B, and a flow are defined by the configurations below.
When an HTTP request arrives at the Mule application's endpoint, what will be the execution order?

The HTTP Request operation raises an HTTP:CONNECTIVITY error.
Which HTTP status code and body are returned to the web client?
Route C fails.
Which expression allows access to the failing route so that it can be compensated?