You can use common objects to access common Cart Transform API objects.

## In this section




* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/attribute">Attribute</a></strong> — Represents a generic custom attribute, such as whether an order is a customer’s first.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/attributeoutput">AttributeOutput</a></strong> — Key-value pairs that contains additional information.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/buyeridentity">BuyerIdentity</a></strong> — Represents information about the buyer that is interacting with the cart.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/cart">Cart</a></strong> — A cart represents the merchandise that a buyer intends to purchase, and the cost associated with the cart.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/cartline">CartLine</a></strong> — Represents information about the merchandise in the cart.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/cartlinecost">CartLineCost</a></strong> — The cost of the merchandise line that the buyer will pay at checkout.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/cartlineinput">CartLineInput</a></strong> — 

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/cartoperation">CartOperation</a></strong> — An operation to apply to the Cart.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/carttransform">CartTransform</a></strong> — A customization which applies cart transformations to the merchandise lines.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/collectionmembership">CollectionMembership</a></strong> — Represents whether the product is a member of the given collection.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/company">Company</a></strong> — Represents information about a company which is also a customer of the shop.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/companycontact">CompanyContact</a></strong> — A company’s main point of contact.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/companylocation">CompanyLocation</a></strong> — A company’s location.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/country">Country</a></strong> — A country.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/countrycode">CountryCode</a></strong> — The code designating a country/region, which generally follows ISO 3166-1 alpha-2 guidelines. If a territory doesn’t have a country code value in the `CountryCode` enum, then it might be considered a subdivision of another country. For example, the territories associated with Spain are represented by the country code `ES`, and the territories associated with the United States of America are represented by the country code `US`.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/currencycode">CurrencyCode</a></strong> — The three-letter currency codes that represent the world currencies used in stores. These include standard ISO 4217 codes, legacy codes, and non-standard codes.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/customproduct">CustomProduct</a></strong> — A custom product.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/customer">Customer</a></strong> — Represents a customer with the shop.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/expandoperation">ExpandOperation</a></strong> — A cart line expand operation.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/expandeditem">ExpandedItem</a></strong> — 

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/expandeditemfixedpriceperunitadjustment">ExpandedItemFixedPricePerUnitAdjustment</a></strong> — A fixed price per unit adjustment to apply to the expanded item.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/expandeditempriceadjustment">ExpandedItemPriceAdjustment</a></strong> — A price adjustment to apply to the expanded item.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/expandeditempriceadjustmentvalue">ExpandedItemPriceAdjustmentValue</a></strong> — A price adjustment to apply to a cart line.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/gateconfiguration">GateConfiguration</a></strong> — Represents a gate configuration.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/gatesubject">GateSubject</a></strong> — Represents a connection from a subject to a gate configuration.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/hasgates">HasGates</a></strong> — Gate subjects associated to the specified resource.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/hasmetafields">HasMetafields</a></strong> — Represents information about the metafields associated to the specified resource.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/hastagresponse">HasTagResponse</a></strong> — Represents whether the current object has the given tag.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/imageinput">ImageInput</a></strong> — The image of an object.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/language">Language</a></strong> — A language.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/languagecode">LanguageCode</a></strong> — Language codes supported by Shopify.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/localtime">LocalTime</a></strong> — Represents limited information about the current time relative to the parent object.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/localization">Localization</a></strong> — Information about the localized experiences configured for the shop.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/market">Market</a></strong> — A market is a group of one or more regions that you want to target for international sales. By creating a market, you can configure a distinct, localized shopping experience for customers from a specific area of the world. For example, you can [change currency](https://shopify.dev/api/admin-graphql/current/mutations/marketCurrencySettingsUpdate), [configure international pricing](https://shopify.dev/api/examples/product-price-lists), or [add market-specific domains or subfolders](https://shopify.dev/api/admin-graphql/current/objects/MarketWebPresence).

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/marketregion">MarketRegion</a></strong> — Represents a region.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/marketregioncountry">MarketRegionCountry</a></strong> — A country which comprises a market.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/merchandise">Merchandise</a></strong> — The merchandise to be purchased at checkout.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/mergeoperation">MergeOperation</a></strong> — A cart line merge operation.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/metafield">Metafield</a></strong> — [Metafields](https://shopify.dev/apps/metafields) enable you to attach additional information to a Shopify resource, such as a [Product](https://shopify.dev/api/admin-graphql/latest/objects/product) or a [Collection](https://shopify.dev/api/admin-graphql/latest/objects/collection). For more information about the Shopify resources that you can attach metafields to, refer to [HasMetafields](https://shopify.dev/api/admin/graphql/reference/common-objects/HasMetafields).

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/moneyv2">MoneyV2</a></strong> — A monetary value with currency.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/priceadjustment">PriceAdjustment</a></strong> — 

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/priceadjustmentvalue">PriceAdjustmentValue</a></strong> — 

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/product">Product</a></strong> — Represents a product.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/productvariant">ProductVariant</a></strong> — Represents a product variant.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/purchasingcompany">PurchasingCompany</a></strong> — Represents information about the buyer that is interacting with the cart.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/sellingplan">SellingPlan</a></strong> — Represents how products and variants can be sold and purchased.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/sellingplanallocation">SellingPlanAllocation</a></strong> — Represents an association between a variant and a selling plan. Selling plan allocations describe the options offered for each variant, and the price of the variant when purchased with a selling plan.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/sellingplanallocationpriceadjustment">SellingPlanAllocationPriceAdjustment</a></strong> — The resulting prices for variants when they’re purchased with a specific selling plan.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/shop">Shop</a></strong> — Information about the shop.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/updateoperation">UpdateOperation</a></strong> — A cart line update operation. Only stores on the Shopify Plus plan can use apps with update operations.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/updateoperationfixedpriceperunitadjustment">UpdateOperationFixedPricePerUnitAdjustment</a></strong> — A fixed price per unit adjustment to apply to a cart line.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/updateoperationpriceadjustment">UpdateOperationPriceAdjustment</a></strong> — A price adjustment to apply to a cart line item.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/updateoperationpriceadjustmentvalue">UpdateOperationPriceAdjustmentValue</a></strong> — A price adjustment to apply to a cart line item.

* <strong><a href="/docs/api/functions/reference/cart-transform/graphql/common-objects/weightunit">WeightUnit</a></strong> — Units of measurement for weight.