TinyMCE templates

$editor = HtmlEditorConfig::get('cms'); 

// Enable template plugin in the WYSIWYG editor//
$editor->enablePlugins('template');
$editor->insertButtonsAfter('tablecontrols', 'template');

//Specify location of your snippets//
$editor->setOptions(['template_templates'=> [
    [
        'title'=>'Quote - Text Color',
        'src'=>'app/html/quote.html', // location of your html templates
        'description'=>'A blockquote template that includes a citation - in the standard text color'
    ],
];