How can I create an expression in Incentive Compensation using REST API?

Here’s the sample payload to create an expression in Incentive Compensation:

POST …./fscmRestApi/resources/11.13.18.05/incentiveCompensationExpressions
{
"OrgId": 300000026244321,
"Name": "REST Expressions SumCreditAmt",
"Description": "Using REST api to create the expression",
"ExpressionDetails": [
    {
        "Sequence": 1,
        "ExpressionDetailType": "SQL expression function",
        "FunctionsGroup": "Aggregate functions",
        "FunctionName": "SUM"
    },
    {
        "Sequence": 2,
        "ExpressionDetailType": "Mathematical operator",
        "ExpressionOperator": "("
    },
    {
        "Sequence": 3,
        "ExpressionDetailType": "Primary object attribute",
        "BasicAttributesGroup": "Credit",
        "BasicAttributeName": "Credit Amount"
    },
    {
        "Sequence": 4,
        "ExpressionDetailType": "Mathematical operator",
        "ExpressionOperator": ")"
    } ]
}