How to update/add Sales Order line EFF

Summary:

How to update/add Sales Order line EFF

Content (please ensure you mask any confidential information):

Hi ,

As per the below document, we are trying to add EFF value to a sales order line and but we are not able to add and getting below erorr
Doc link: OM: How to Update an Order Fulfillment Line and Header EFF information Using the - salesOrdersForOrderHub - REST API (Doc ID 2600459.1)

URL:/fscmRestApi/resources/11.13.18.05/salesOrdersForOrderHub
payload:
{
"OrderKey": "A2D:57085340",
"lines": [
{

        "FulfillLineId" : 300000381545108,

            "additionalInformation" : [ {

            "FulfillLineEffBOnline__Pick__AttributesprivateVO" : [ {

            "ContextCode" : "Online Pick Attributes",

            "onlinePickFlag" : "Yes",

            "gdcForOnlinePick" : "CN6",

            "consolCode" : "CABBSB"

  } ]

} ]

    }

]

}

error:

The request couldn't be completed because either it doesn't include a value for the ShippingServiceLevelCode attribute, or the value of 8036 that it does provide isn't valid.