Custom HTML and Helper Text

Summary: Inserting custom content, icons, and instructional text.

• Helper Text: Use $form->addHelper($text, $elementName); to add instructional text after a specific field. This must be called before creating the element.

• Addons: Use $form->addAddon($inputName, $html, $position); to prepend or append buttons or text to an input.

• Icons: Use $form->addIcon($inputName, $html, $position); to insert icons.

• General HTML: Use $form->addHtml($html, $elementName, $position); to insert arbitrary HTML anywhere in the form structure.