Here is a list of all functions with links to the classes they belong to:

- h -

• head() : Commercetools\Api\Client\Resource\ResourceByProjectKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyApiClients, Commercetools\Api\Client\Resource\ResourceByProjectKeyApiClientsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdBusinessUnits, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdBusinessUnitsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdBusinessUnitsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdInBusinessUnitKeyByBusinessUnitKeyCarts, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdInBusinessUnitKeyByBusinessUnitKeyCartsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdInBusinessUnitKeyByBusinessUnitKeyCartsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdInBusinessUnitKeyByBusinessUnitKeyOrders, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdInBusinessUnitKeyByBusinessUnitKeyOrdersByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdInBusinessUnitKeyByBusinessUnitKeyOrdersOrderNumberByOrderNumber, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdInBusinessUnitKeyByBusinessUnitKeyQuoteRequests, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdInBusinessUnitKeyByBusinessUnitKeyQuoteRequestsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdInBusinessUnitKeyByBusinessUnitKeyQuoteRequestsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdInBusinessUnitKeyByBusinessUnitKeyQuotes, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdInBusinessUnitKeyByBusinessUnitKeyQuotesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyAsAssociateByAssociateIdInBusinessUnitKeyByBusinessUnitKeyQuotesKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyAssociateRoles, Commercetools\Api\Client\Resource\ResourceByProjectKeyAssociateRolesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyAssociateRolesKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyAttributeGroups, Commercetools\Api\Client\Resource\ResourceByProjectKeyAttributeGroupsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyAttributeGroupsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyBusinessUnits, Commercetools\Api\Client\Resource\ResourceByProjectKeyBusinessUnitsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyBusinessUnitsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyBusinessUnitsSearch, Commercetools\Api\Client\Resource\ResourceByProjectKeyCartDiscounts, Commercetools\Api\Client\Resource\ResourceByProjectKeyCartDiscountsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyCartDiscountsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyCarts, Commercetools\Api\Client\Resource\ResourceByProjectKeyCartsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyCartsCustomerIdByCustomerId, Commercetools\Api\Client\Resource\ResourceByProjectKeyCartsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyCategories, Commercetools\Api\Client\Resource\ResourceByProjectKeyCategoriesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyCategoriesKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyChannels, Commercetools\Api\Client\Resource\ResourceByProjectKeyChannelsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyChannelsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyCustomerGroups, Commercetools\Api\Client\Resource\ResourceByProjectKeyCustomerGroupsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyCustomerGroupsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyCustomers, Commercetools\Api\Client\Resource\ResourceByProjectKeyCustomersByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyCustomersKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyCustomersSearch, Commercetools\Api\Client\Resource\ResourceByProjectKeyCustomObjects, Commercetools\Api\Client\Resource\ResourceByProjectKeyDiscountCodes, Commercetools\Api\Client\Resource\ResourceByProjectKeyDiscountCodesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyDiscountCodesKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyExtensions, Commercetools\Api\Client\Resource\ResourceByProjectKeyExtensionsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyExtensionsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyBusinessUnits, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyBusinessUnitsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyBusinessUnitsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyCartDiscounts, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyCartDiscountsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyCartDiscountsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyCarts, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyCartsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyCartsCustomerIdByCustomerId, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyCartsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyCustomers, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyCustomersByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyCustomersKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyMeActiveCart, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyMeCarts, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyMeCartsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyMeOrders, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyMeOrdersByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyMeShoppingLists, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyMeShoppingListsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyMeShoppingListsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyOrders, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyOrdersByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyOrdersOrderNumberByOrderNumber, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyProductProjectionsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyProductProjectionsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyQuoteRequests, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyQuoteRequestsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyQuoteRequestsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyQuotes, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyQuotesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyQuotesKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyShippingMethodsMatchingCart, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyShoppingLists, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyShoppingListsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyShoppingListsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyStagedQuotes, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyStagedQuotesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyInStoreKeyByStoreKeyStagedQuotesKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyInventory, Commercetools\Api\Client\Resource\ResourceByProjectKeyInventoryByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyInventoryKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeActiveCart, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeBusinessUnits, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeBusinessUnitsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeBusinessUnitsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeCarts, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeCartsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeOrders, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeOrdersByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyMePayments, Commercetools\Api\Client\Resource\ResourceByProjectKeyMePaymentsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeQuoteRequests, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeQuoteRequestsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeQuoteRequestsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeQuotes, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeQuotesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeQuotesKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeShoppingLists, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeShoppingListsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyMeShoppingListsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyMessages, Commercetools\Api\Client\Resource\ResourceByProjectKeyMessagesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyOrders, Commercetools\Api\Client\Resource\ResourceByProjectKeyOrdersByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyOrdersEdits, Commercetools\Api\Client\Resource\ResourceByProjectKeyOrdersEditsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyOrdersEditsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyOrdersOrderNumberByOrderNumber, Commercetools\Api\Client\Resource\ResourceByProjectKeyOrdersSearch, Commercetools\Api\Client\Resource\ResourceByProjectKeyPayments, Commercetools\Api\Client\Resource\ResourceByProjectKeyPaymentsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyPaymentsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductDiscounts, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductDiscountsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductDiscountsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductProjections, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductProjectionsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductProjectionsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyProducts, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductSelections, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductSelectionsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductSelectionsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductTailoring, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductTypes, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductTypesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyProductTypesKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyQuoteRequests, Commercetools\Api\Client\Resource\ResourceByProjectKeyQuoteRequestsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyQuoteRequestsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyQuotes, Commercetools\Api\Client\Resource\ResourceByProjectKeyQuotesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyQuotesKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyReviews, Commercetools\Api\Client\Resource\ResourceByProjectKeyReviewsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyReviewsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyShippingMethods, Commercetools\Api\Client\Resource\ResourceByProjectKeyShippingMethodsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyShippingMethodsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyShippingMethodsMatchingCart, Commercetools\Api\Client\Resource\ResourceByProjectKeyShippingMethodsMatchingCartLocation, Commercetools\Api\Client\Resource\ResourceByProjectKeyShippingMethodsMatchingLocation, Commercetools\Api\Client\Resource\ResourceByProjectKeyShippingMethodsMatchingOrderedit, Commercetools\Api\Client\Resource\ResourceByProjectKeyShoppingLists, Commercetools\Api\Client\Resource\ResourceByProjectKeyShoppingListsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyShoppingListsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyStagedQuotes, Commercetools\Api\Client\Resource\ResourceByProjectKeyStagedQuotesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyStagedQuotesKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyStandalonePrices, Commercetools\Api\Client\Resource\ResourceByProjectKeyStandalonePricesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyStandalonePricesKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyStates, Commercetools\Api\Client\Resource\ResourceByProjectKeyStatesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyStatesKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyStores, Commercetools\Api\Client\Resource\ResourceByProjectKeyStoresByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyStoresKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeySubscriptions, Commercetools\Api\Client\Resource\ResourceByProjectKeySubscriptionsByID, Commercetools\Api\Client\Resource\ResourceByProjectKeySubscriptionsKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyTaxCategories, Commercetools\Api\Client\Resource\ResourceByProjectKeyTaxCategoriesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyTaxCategoriesKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyTypes, Commercetools\Api\Client\Resource\ResourceByProjectKeyTypesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyTypesKeyByKey, Commercetools\Api\Client\Resource\ResourceByProjectKeyZones, Commercetools\Api\Client\Resource\ResourceByProjectKeyZonesByID, Commercetools\Api\Client\Resource\ResourceByProjectKeyZonesKeyByKey