Shopify Functions Overview Shopify Functions execute custom business logic in a WebAssembly sandbox at checkout: discounts, payment filtering, delivery customization, and cart transforms. They run server-side with strict constraints (11ms execution, 1MB memory, no network access) and replace Shopify Scripts. Prerequisites - Shopify CLI 3.x+ installed ( ) - Shopify Partners account with a development store - App configured for the target function API type Instructions Step 1: Configure the Function Extension Step 2: Define the Input Query The input query declares what data your function receiv…