---
displayed_sidebar: servicesSidebar
---
import TypeList from "@site/src/components/TypeList"
# FulfillmentService
Handles Fulfillments
## constructor
### Parameters
___
## Properties
`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"__moduleDeclaration__","type":"`Record`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]}]} sectionTitle="FulfillmentService"/>
___
## Accessors
### activeManager\_
#### Returns
___
## Methods
### withTransaction
#### Parameters
#### Returns
### shouldRetryTransaction\_
#### Parameters
` \\| `object`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} sectionTitle="shouldRetryTransaction_"/>
#### Returns
### atomicPhase\_
Wraps some work within a transactional block. If the service already has
a transaction manager attached this will be reused, otherwise a new
transaction manager is created.
#### Type Parameters
#### Parameters
Promise<TResult>","description":"the transactional work to be done","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"isolationOrErrorHandler","type":"`IsolationLevel` \\| (`error`: TError) => Promise<void \\| TResult>","description":"the isolation level to be used for the work.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"maybeErrorHandlerOrDontFail","type":"(`error`: TError) => Promise<void \\| TResult>","description":"Potential error handler","optional":true,"defaultValue":"","expandable":false,"children":[]}]} sectionTitle="atomicPhase_"/>
#### Returns
### partitionItems\_
#### Parameters
#### Returns
### getFulfillmentItems\_
Retrieves the order line items, given an array of items.
#### Parameters
#### Returns
### validateFulfillmentLineItem\_
Checks that a given quantity of a line item can be fulfilled. Fails if the
fulfillable quantity is lower than the requested fulfillment quantity.
Fulfillable quantity is calculated by subtracting the already fulfilled
quantity from the quantity that was originally purchased.
#### Parameters
#### Returns
### retrieve
Retrieves a fulfillment by its id.
#### Parameters
#### Returns
### createFulfillment
Creates an order fulfillment
If items needs to be fulfilled by different provider, we make
sure to partition those items, and create fulfillment for
those partitions.
#### Parameters
#### Returns
### cancelFulfillment
Cancels a fulfillment with the fulfillment provider. Will decrement the
fulfillment\_quantity on the line items associated with the fulfillment.
Throws if the fulfillment has already been shipped.
#### Parameters
#### Returns
### createShipment
Creates a shipment by marking a fulfillment as shipped. Adds
tracking links and potentially more metadata.
#### Parameters
#### Returns