Odyssey

beta

Expressions in connectors: Mapping and Transforms

Learn the syntax and methods to connect and map complex REST API responses into your schema using Apollo Connectors

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Space connector

Details

  • Updated Feb 19, 2025
  • 5 lessons

What you'll learn

  • Write expressions to map JSON response properties to a schema

  • Use the Connectors Mapping Playground to explore JSON responses and preview expression results

  • Apply symbols ($ and @) to manipulate values and select properties

  • Rename properties with aliases

  • Transform data with methods like first, entries, and match

Prerequisites

  • Basic familiarity with Apollo Connectors
  • Basic knowledge of GraphQL and Schema Definition Language (SDL)

Instructor

Liz Hennessy

Lesson List

  • Overview
  • Investigating mapping expressions
  • Accessing and renaming properties
  • Transforming data with methods
  • Matching and replacing values

This tutorial includes

    Currently in
    beta

  • multiple choice questions

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