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David RudlinFlag for United Kingdom of Great Britain and Northern Ireland

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How to add submenu to Tinymce v5.8 Splitbutton dropdown list

Using Tinymce v5.8 in a asp.net web application. I have added a splitbutton component to the toolbar and successfully added items to the splitbutton's dropdown list. Is there now a way to add a submenu to the list?

I have tried the attached code but the submenu does not appear. I guess that the "type: 'submenu' may be causing the issue but can find no documentation on this or could be that submenus simply are not a feature of this component. Any help or suggestions would be gratefully received.
  editor.ui.registry.addSplitButton('myButton', {
                     text: 'My Button',
                     icon: 'info',
                     tooltip: 'This is an example split-button',
                     onAction: function () {
                         //editor.insertContent('<p>You clicked the main button</p>');
                     onItemAction: function (api, value) {
                     fetch: function (callback) {
                         var items = [
                             { type: 'choiceitem', text: 'One', value: 'one ' },
                             { type: 'choiceitem', text: 'Two', value: 'two ' },
                              type: 'submenu',  text: 'Submenu', items: [
                                     { type: 'choiceitem', text: 'Three', value: 'three' }


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David Rudlin
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Alfredo Luis Torres Serrano
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David Rudlin
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Thank you for the suggestion Alfredo. So that works as a menu item but is there anyway of doing the same with a toolbar item?

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David Rudlin
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Thanks Alfredo. This helped. Some of the syntax and methods needed updating in line with version 5 and there was considerable work required in getting data to populate the menu items and also the nested menu items.
.NET Programming
.NET Programming

The .NET Framework is not specific to any one programming language; rather, it includes a library of functions that allows developers to rapidly build applications. Several supported languages include C#, VB.NET, C++ or ASP.NET.

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