How can i get checked row value ?

Question

hello guys,

i have a datable checkbox, i wan on submit get the values of all checked rows, below is my code.

function populatetbl(data) {
        tableName = $('#userTable').DataTable({
            "data": data,
            'columns': [
                {
                    "render": function (data, type, row, meta) {
                        var checkbox = $("<input/>", {
                            "type": "checkbox"
                        });
                        if (row[2] === "enable") {
                            checkbox.attr("checked", "checked");
                            checkbox.addClass("checkbox_checked");
                        } else {
                            checkbox.removeAttr("checked");
                            checkbox.addClass("checkbox_unchecked");
                        }
                        return checkbox.prop("outerHTML")
                    }
                },
                {
                    "render": function (data, type, row, meta) {
                        return row[0];
                    }
                },
                {
                    "render": function (data, type, row, meta) {
                        return row[1];
                    }
                }
            ],
            order: []
        });
    }

 and want to get value of second coloum(Menu) attached piture.