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Glossary

• App Bridge — Shopify library that embeds Rate Lab inside the admin and issues session tokens.
• Function Object — The function field returned by the IDE API, containing id, name, and src.
• Liquid Context — JSON payload that Shopify supplies to your shipping function for evaluation.
• Monaco Editor — The VS Code engine powering the template and JSON panels inside Rate Lab.
• Phoenix Channel — WebSocket connection named template:{function.id} used for live updates.
• Rate Check — A saved shipping scenario accessible via /api/shopify/rate_check.json.
• Rendered Attrs — The evaluated Liquid output that Shopify reads to display shipping rates.
• Shopify Rate Function — Liquid template that calculates shipping rates based on cart details.