var printTask = new esri.tasks.PrintTask(angular.element("body").scope().properties.mapExportService);
    var Web_Map_as_JSON = JSON.toJson(printTask._getPrintDefinition($scope.map));

requestHandle = esriRequest({
                                    url: angular.element("body").scope().properties.mapExportService,
                                    content: {
                                        f: 'json',
                                        Web_Map_as_JSON: Web_Map_as_JSON,
                                        Format: format,
                                        Layout_Template: layout
                                    },
                                    handleAs: 'json',
                                    callbackParamName: 'callback',
                                }, {
                                    usePost: true
                                });