Slide 1: Redfish $expand: Efficient Data Retrieval. Slide 2: What is Redfish?. Slide 3: Redfish Data Model: Resources & Collections. Slide 4: The Default Behavior: URIs and Round Trips. Slide 5: Introducing the $expand Query Parameter. Slide 6: How $expand Works. Slide 7: Practical Use Cases. Slide 8: Combining $expand with $filter. Slide 9: Benefits of Using $expand. Slide 10: Conclusion: Leverage $expand for Efficiency