🔧 Custom Functions + Computed Fields

See both working together seamlessly!

💡 Simple math uses computed fields (JSON), complex logic uses custom functions (code)

📦 Order (Computed Fields)

Subtotal: $100 (auto-calculated)

🎟️ Discount Code (Custom Function)

🚚 Shipping (Custom Function)

💰 Final Total (Computed)

Subtotal: $100

Tax: $0

Shipping: $0

Total: $0