Hi, experts

Trying to do Post with batching functionality.. https://myXXXX.s4hana.ondemand.com:443/sap/opu/odata/sap/API_SALES_ORDER_SRV/$batch

I get this error when sending "The Data Services Request could not be understood due to malformed syntax".. What am I doing wrong ?

Headers

authorization basic authorization.. user and password

content-type multipart/mixed; boundary=batch_mybatch

xcsrf-token token given body

body payload

--batch_mybatch

Content-Type: multipart/mixed; boundary=changeset_mychangeset

--changeset_mychangeset

Content-Type: application/http

Content-Transfer-Encoding: binary

POST A_SalesOrder HTTP/1.1

Content-Type: application/json

{

"SalesOrderType": "OR",

"SalesOrganization": "2410",

"DistributionChannel": "10",

"OrganizationDivision": "01",

"SoldToParty": "CUSTOMER-1",

"TransactionCurrency": "EUR",

"SDDocumentReason": "Z01",

"to_Item": {

"results": [

{

"Material": "P121000",

"RequestedQuantity": "1",

"RequestedQuantityUnit": "PI",

"to_PricingElement": {

"results": [{

"ConditionType": "PMP0",

"ConditionRateValue": "150.00",

"ConditionCurrency": "EUR"

}

]

}

},

{

"Material": "P122000",

"RequestedQuantity": "1",

"RequestedQuantityUnit": "PI",

"to_PricingElement": {

"results": [{

"ConditionType": "PMP0",

"ConditionRateValue": "180.00",

"ConditionCurrency": "EUR"

}

]

}

}

]

}

}

--changeset_mychangeset1

--batch_mybatch--