Logstash aggregate function

[errupeshmca (Heyan)]

I am looking for aggregate function to get sum of field(TotalOrderReceivedToday) in a new field (sum). but i think it's aggregating everything based on TotalOrderReceivedToday field, I need sum of one field only to

{
           "Salesperson name" => "Online Order",
            "Order Complete?" => "True",
         "Expected Ship Date" => 2020-08-05T04:00:00.000Z,
                 "Order Type" => "O",
          "Total Order Value" => 301.0,
                       "host" => "server",
                 "@timestamp" => 2020-12-14T19:04:07.973Z,
                       "path" => "D:/ELK/logstash-7.9.3/config/TotatOrderOfDay.csv",
                      "Inv #" => "      461872",
                 "Order Date" => 2020-08-05T04:00:00.000Z,
                      "Doc #" => 461872,
    "TotalOrderReceivedToday" => 1,
                    "message" => "\"I      461872\",\"  1170\",\"I\",\"      461872\",\"      416889\",\"O\",\"True\",05-Aug-20,301,340.13,0,\"      461872\",07-Aug-20,05-Aug-20,07-Aug-20,0,0,\"   WEB\",\"Online Order\",\" GS\",0\r",
                   "Doc Type" => "I",
                    "Order #" => 416889,
             "ThisWeekOrders" => 0,
                   "Inv Date" => 2020-08-07T04:00:00.000Z,
                "Salesperson" => "   WEB",
                     "Cust #" => 1170,
                   "@version" => "1",
         "Total Dollar Value" => 340.13,
               "TotalShipped" => 0,
                  "Order Key" => "I      461872",
                        "Loc" => " GS",
              "Shipment Date" => 2020-08-07T04:00:00.000Z,
               "Order Status" => "AlreadyInvoiced",
           "ShippedYesterday" => 0
}

Aggregation function
aggregate {
task_id => "%{TotalOrderReceivedToday}"
code => "map['action'] ||= ''
map['action'] = event.get('TotalOrderReceivedToday')
map['sum'] ||= 0
map['sum'] += 1
event.cancel"
push_map_as_event_on_timeout => true
timeout_task_id_field => "TotalOrderReceivedToday"
timeout => 10
}