You want to create a mutation to add a new Order with nested items list. Which mutation pattern correctly handles nested input?

hard📝 Application Q8 of 15

GraphQL - Mutations

You want to create a mutation to add a new Order with nested items list. Which mutation pattern correctly handles nested input?

Amutation AddOrder($order: OrderInput!) { addOrder(input: $order) { id items { id quantity } } }

Bmutation AddOrder($order: OrderInput!) { addOrder(order: $order) { id items { id quantity } } }

Cmutation AddOrder($order: OrderInput!) { addOrder(input: order) { id items { id quantity } } }

Dmutation AddOrder { addOrder(input: $order) { id items { id quantity } } }

Step-by-Step Solution

Solution:

Step 1: Confirm variable declaration and usage
Variable $order is declared and used as input: $order.
Step 2: Check nested fields in response
Nested items with id and quantity are requested properly.
Final Answer:
mutation AddOrder($order: OrderInput!) { addOrder(input: $order) { id items { id quantity } } } -> Option A
Quick Check:
Correct nested input and response pattern = mutation AddOrder($order: OrderInput!) { addOrder(input: $order) { id items { id quantity } } } [OK]

Quick Trick: Use input variable with $ and request nested fields explicitly [OK]

Common Mistakes:

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