Define this parameter in the Http Request Header
[
{
"UpdateType": 1,
"ReturnRequestID": 2,
"OrderNumber": 3,
"OrderNote": "sample string 4",
"InvoiceNumber": "sample string 5"
},
{
"UpdateType": 1,
"ReturnRequestID": 2,
"OrderNumber": 3,
"OrderNote": "sample string 4",
"InvoiceNumber": "sample string 5"
}
]