Lesson 18
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What you will learn in this lesson
- Know what Preact and an extension target are.
- Generate a checkout UI extension with Shopify CLI.
- Read its shopify.extension.toml and its api_version.
- Build a gift note field with Polaris web components.
- Save the note on the cart with applyMetafieldChange.
Everything in Shopify App Developer
- 28 step-by-step lessons
- 3 mini projects with solutions
- A final project for your portfolio
- Real commands and real output in every lesson
- Practice task with a solution in each lesson
- Progress saved to your account