How to send additional parameters to export method in Spreadsheet

 
<div id="Spreadsheet"></div>
 

 
$("#Spreadsheet").ejSpreadsheet({
    exportSettings: {
        excelUrl: "Spreadsheet/ExcelExport",
    },
    onExport: "onExport"
});
 

 
[AcceptVerbs("POST")]
public void ExcelExport()
{
    string sheetModel = HttpContext.Current.Request.Params["sheetModel"], sheetData = HttpContext.Current.Request.Params["sheetData"], myData = HttpContext.Current.Request.Params["myData"];
    Spreadsheet.Save(sheetModel, sheetData, "Sample", ExportFormat.XLSX, ExcelVersion.Excel2013);
}
 

 
@(Html.EJ().Spreadsheet<object>("Spreadsheet")
    .ExportSettings(export =>
    {
        export.ExcelUrl("ExcelExport");
    })
    .ClientSideEvents(
    events => events.OnExport("onExport")
    )
)
 

 
[AcceptVerbs(HttpVerbs.Post)]
public void ExcelExport(string sheetModel, string sheetData, string myData)
{
    Spreadsheet.Save(sheetModel, sheetData, "Sample", ExportFormat.XLSX, ExcelVersion.Excel2013);
}
 

 
<ej:spreadsheet id="Spreadsheet" onserverexcelexporting="Spreadsheet_ServerExcelExporting" runat="server">
    <ClientSideEvents OnExport="onExport" />
    <Sheets>
        <ej:Sheet></ej:Sheet>
    </Sheets>
</ej:spreadsheet>
 

 
protected void Spreadsheet_ServerExcelExporting(object sender, Syncfusion.JavaScript.Web.SpreadsheetEventArgs e)
{
    var args = e.Arguments;
    string sheetModel = args["sheetModel"].ToString();
    string sheetData = args["sheetData"].ToString();
    string myData = args["myData"].ToString();
    Spreadsheet.Save(sheetModel, sheetData, "Sample", ExportFormat.XLSX, ExcelVersion.Excel2013);
}
 

 
function onExport(args) {
 
    //customParams property is used for sending additional parameters to server.
    args.customParams = { myData: "Spreadsheet" };
 
}