Updates a fulfillment's properties.
To update a field's value, include the new value in the fulfillment field in the body params.
Notes:
trackingInfo.trackingNumber and trackingInfo.shippingProvider can be updated but not removed.lineItems, each line item must include an explicit quantity. lineItems can't be emptied.completed: true.There is 1 error with this status code.
This method may also return standard errors. Learn more about standard Wix errors.