Shopify Functions

Documentation Index

Fetch the complete documentation index at: https://docs.synapsebuilder.org/llms.txt

Use this file to discover all available pages before exploring further.

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What are Functions?

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Function Types

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Example: Volume Discount

export function run(input) {
  const quantity = input.cart.lines.reduce((total, line) => total + line.quantity, 0);
  
  if (quantity >= 10) {
    return {
      discounts: [{
        value: { percentage: { value: 20 } },
        targets: [{ productVariant: { id: "gid://..." } }]
      }]
    };
  }
  
  return { discounts: [] };
}

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Key Features

• JavaScript/Rust: Write in familiar languages
• Fast Execution: Sub-100ms execution time
• GraphQL Input: Query cart and customer data
• Metafield Config: Configure via Shopify admin