Home > @infiniteobjects/shopify-data-manager > AdminTypes > FulfillmentService > fulfillmentOrdersOptIn
Whether the fulfillment service uses the [fulfillment order based workflow](https://shopify.dev/apps/fulfillment/fulfillment-service-apps/manage-fulfillments) for managing fulfillments.
Signature:
fulfillmentOrdersOptIn: Scalars['Boolean']['output'];