How can you embed nested related data, for example, orders with customers and each customer's address, in one REST API call?

hard📝 Application Q9 of 15

Rest API - Advanced Patterns

A/orders?expand=customer,address

B/orders?expand=customer_address

C/orders?expand=customer&expand=address

D/orders?expand=customer.address

Step-by-Step Solution

Solution:

Step 1: Understand nested expansion syntax
Nested expansions use dot notation like 'customer.address'.
Step 2: Analyze options
/orders?expand=customer.address correctly uses dot notation to embed customer's address inside customer.
Step 3: Check other options
/orders?expand=customer,address expands customer and address separately, not nested; C uses multiple expands incorrectly; D is invalid syntax.
Final Answer:
/orders?expand=customer.address -> Option D
Quick Check:
Nested expansion uses dot notation [OK]

Quick Trick: Use dot notation for nested resource expansion [OK]

Common Mistakes:

MISTAKES

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