Salesforce Exam Salesforce Certified MuleSoft Developer II (Mule-Dev-301) Topic 3 Question 33 Discussion

Actual exam question for Salesforce's Salesforce Certified MuleSoft Developer II (Mule-Dev-301) exam

Question #: 33
Topic #: 3

[All Salesforce Certified MuleSoft Developer II (Mule-Dev-301) Questions]

When implementing a synchronous API where the event source is an HTTP Listener, a developer needs to return the same correlation ID back to the caller in the HTTP response header.

How can this be achieved?

AEnable the auto-generate CorrelationID option when scaffolding the flow

BEnable the CorrelationID checkbox in the HTTP Listener configuration

CConfigure a custom correlation policy

DNO action is needed as the correlation ID is returned to the caller in the response header by default

Show Suggested Answer

Suggested Answer: D

When implementing a synchronous API where the event source is an HTTP Listener, Mule automatically propagates some message attributes between flows via outbound and inbound properties. One of these attributes is correlation ID, which is returned to the caller in the response header by default as MULE_CORRELATION_ID. Reference: https://docs.mulesoft.com/mule-runtime/4.3/about-mule-message#message-attributes

by Shenika at Aug 04, 2025, 05:55 PM

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Cary

20 hours ago

Option C seems like the right choice here. Configuring a custom correlation policy is the way to go when you need to return a specific correlation ID in the response header.

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