Guides

Shopify Functions guides for merchants

One merchant question per guide, answered from real support conversations and checked against how Shopify Functions actually behave: what replaced Scripts, why discounts refuse to stack, how quantity tiers count units, and how to build gift offers that stop where you want them to.

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Shopify discounts based on line item properties

Discount cart items by a line item property in SMART Functions Creator. Exact setup, missing values, mixed carts, the one-key limit, and test examples.

Updated September 7, 2026

Shopify free shipping by customer tag, cart contents, and order value

Make Standard shipping free for VIP customers or eligible-only carts. Configure rate names, thresholds, exclusions, and combinations in SMART Functions Creator.

Updated September 7, 2026

Shopify Scripts have ended. Here is what replaces each script type

Shopify Scripts stopped running on June 30, 2026. Here is what replaces line item, shipping, and payment scripts, and how to rebuild each one as a Shopify Function without code.

Updated September 7, 2026

Combining Shopify discounts: why only one applies and what to check

Fix discount conflicts in SMART Functions Creator: combination classes, overlapping targets, codes, first-order conditions, and shipping promotions.

Updated September 7, 2026

Tiered and volume discounts in Shopify: quantity tiers, fixed unit prices, and grouping explained

Set up quantity tiers, a fixed unit price per tier, collection-wide tiers, and per-variant tiers with a Shopify discount Function. Covers grouping, all-units repricing, and what tiers cannot do.

Updated September 7, 2026

Buy X get Y, free gifts, and repeating bundles in Shopify

Build repeating Buy X get Y deals and fixed-price complete sets in Shopify. Learn reward selection, per-order caps, leftover handling, and expected cart totals.

Updated September 7, 2026

More guides are published as they are written: line item property discounts, free shipping rules, checkout validation patterns, hiding payment and shipping methods, wholesale pricing, debugging, and Functions without Plus. The help center already covers the mechanics behind each.

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