reporting-engine/kpi_dashboard/static/src/js/dashboard_model.js

odoo.define("kpi_dashboard.DashboardModel", function(require) {
    "use strict";

    var BasicModel = require("web.BasicModel");

    var DashboardModel = BasicModel.extend({
        _fetchRecord: function(record) {
            return this._rpc({
                model: record.model,
                method: "read_dashboard",
                args: [[record.res_id]],
                context: _.extend({}, record.getContext(), {bin_size: true}),
            }).then(function(result) {
                record.specialData = result;
                return result;
            });
        },
    });

    return DashboardModel;
});