Product Attribute Conditions

Product Attribute conditions let you build rules based on the specific properties of products in the cart — their SKU, vendor, type, metafields, price, and more.

Combining conditions — Not every condition can be combined with every other in a single rule. Payflow filters the picker automatically. See Condition Sets for details.

Variant SKU

Condition key: variantSku

Checks whether any line item in the cart has a variant SKU that matches your value.

Operators: Is one of, Is not any of, Text contains, Text does not contain, Is empty, Is not empty

Tip

Payflow loads SKUs from your store — add values from the dropdown or type them yourself. You can enter several at once as a comma-separated list when the operator expects multiple values.

Use cases:

• Restrict COD for products with “HEAVY-” prefix in SKU
• Show a special shipping option for items with a specific SKU pattern
• Hide a payment method for clearance items (identified by SKU)

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Product vendor

Condition key: productVendor

Checks whether any product in the cart is from a specific vendor/brand.

Operators: Is one of, Is not any of, Text contains, Text does not contain, Is empty, Is not empty

Tip

Vendors from your catalog appear in a dropdown; you can also type a vendor name. Use commas to add multiple vendors in one field when the operator supports a list.

Use cases:

• Apply different shipping rules for products from a specific supplier
• Restrict payment methods for a specific brand in your multi-vendor store

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Product type

Condition key: productType

Checks the Shopify product type field on any product in the cart (set in the product editor under “Organization”).

Operators: Is one of, Is not any of

Tip

Product types are fetched from your store — pick from the dropdown or type the exact type string. Enter multiple types separated by commas when you need more than one match in a single condition.

Use cases:

• Hide COD for “Digital” product types
• Restrict shipping options for “Furniture” products
• Apply different rules for “Apparel” vs “Electronics”

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Contains gift card

Condition key: isGiftCard

Returns true if any item in the cart is a Shopify gift card.

Operators: Is true, Is false

Use cases:

• Restrict payment methods when a gift card product is in the cart
• Hide COD for orders containing gift cards (since they require a different fulfillment flow)

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Requires physical shipping

Condition key: requiresShipping

Returns true if all items in the cart require physical shipping (i.e. no digital/download-only items).

Operators: Is true, Is false

Use cases:

• Show local delivery options only when physical items are in the cart
• Hide shipping methods entirely for fully digital orders

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Line item price

Condition key: lineItemPrice

Checks the unit price of any line item in the cart.

Operators: At least (≥), At most (≤), Is (==), Is not (!=)

Use cases:

• Hide COD for carts containing items over a certain price
• Show a special payment method for high-ticket items

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Line item compare-at price

Condition key: lineItemCompareAtPrice

Checks the compare-at (original / “was”) price of any line item. Returns empty if no compare-at price is set.

Operators: At least (≥), At most (≤), Is (==), Is not (!=), Is empty, Is not empty

Use cases:

• Apply different rules for sale items (where compare-at price is set)
• Hide a payment method when any cart item is discounted

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Cart attribute

Condition key: cartAttribute

Checks the value of a Shopify cart attribute by key. Cart attributes are custom key-value pairs set programmatically by your storefront (via Liquid or the Cart API).

Operators: Is one of, Is not any of, Text contains, Text does not contain, Is empty, Is not empty

Use cases:

• Apply rules based on a custom B2B flag set by your storefront
• Trigger logic based on an upsell app that sets a cart attribute
• Check for a referral code or promo attribute

Tip

To set cart attributes, use the cart.attributes object in Liquid or send them via the Storefront API Cart mutation.

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Product metafield

Condition key: productMetafield

Checks the value of a metafield on any product in the cart. You specify the metafield namespace and key.

Operators: Is one of, Is not any of, Text contains, Text does not contain, Is empty, Is not empty

Use cases:

• Restrict payment methods based on a custom “requires_age_verification” metafield
• Apply different shipping rules based on a “hazardous_material” product metafield
• Check a supplier-set “min_order_value” metafield

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Variant metafield

Condition key: variantMetafield

Checks the value of a metafield on the variants in the cart. You specify the metafield namespace and key.

Operators: Is one of, Is not any of, Matches all items, Matches not all items, Matches no items, Text contains, Text does not contain, Is empty, Is not empty

Mixed carts: the “Matches” operators check every cart item, and an item without the metafield counts as not matching. The other operators look at the cart as a whole and skip items without the metafield.

Operator	The condition is met when
Matches all items	every item has one of the listed values
Matches not all items	at least one item has another value or no value
Matches no items	no item has one of the listed values

Use cases:

• Apply rules based on variant-level custom data
• Check for a “shipping_class” metafield on variants for custom rate logic
• Hide a small-parcel rate unless every item is marked as eligible: Matches not all items, value true

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Line item property

Condition key: lineItemProperty

Checks the value of a custom line item property on any cart line. Line item properties are key-value pairs attached to individual items in the cart (often set by product forms, subscription apps, or custom storefront logic).

Operators: Is one of, Is not any of, Text contains, Text does not contain, Is empty, Is not empty

Use cases:

• Apply rules based on a custom property set by a subscription app (e.g. _subscription_type)
• Restrict payment methods when a line item carries a specific custom value
• Check for personalisation data (e.g. an engraving or gift message property)

Tip

Line item properties are set via the Cart API or product forms. Properties whose key starts with _ are hidden from the customer at checkout but still accessible to Payflow.

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See also

• Cart & Order conditions — totals, products, tags, collections
• Customer conditions — customer metafields and account data
• Hide COD for specific products or collections — step-by-step use case with product tags, collections, and SKUs