HTMLEditorField does not provide: 'FieldName' => 'HTMLText',

[MischaKr]

in yml: ExtraContent: {CMSField: HTMLEditorField}

Produces: $fields->addFieldToTab("Root.Main", new HTMLEditorField('ExtraContent', _t('EventPage.EXTRACONTENT', 'Extra Content')), 'Content');

But not the: static $db = array ( 'ExtraContent' => 'HTMLText', );

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Workaround: Using type: Wysiwyg

Like: ExtraContent: {CMSField: Wysiwyg}