FullCalendar Custom Buttons

Hi again:This line in page_render…

        $this->CalendarOptions->set("headerToolbar.left", "prev next today myButton");
        $this->CalendarOptions->set("customButtons.myButton.text", "My text");

…produces (as I can see in the “sources” tab in Chrome console):

, options = ew.deepAssign({}, ew.calendarOptions, {
                                                    "fullCalendarOptions": {
                                                        "initialView": "dayGridWeek",
                                                        "weekNumbers": "true",
                                                        "businessHours": "true",
                                                        "firstDay": "1",
                                                        "initialDate": "2024-04-19",
       							"headerToolbar": {
                                                            "right": "dayGridMonth,dayGridWeek,timeGridWeek,timeGridDay,listMonth",
                                                            "left": "prev next today BtnPlaniDiaria"
                                                        },
                                                        "customButtons": {
                                                            "myButton": {
                                                                "text": "Enviar"
                                                            }
                                                        },

which is the code I used in my previous script (https://discourse.hkvstore.com/t/integrating-fullcalendar-and-populating-from-json/2806/13), the headerToolbar lines works, but the customButtons ones don’t…Thanks