'HTML.Allowed' => 'iframe[src|width|height|frameborder|allowfullscreen]...',
'HTML.Trusted' => true,
'HTML.SafeIframe' => true,
'HTML.SafeObject' => true,
'HTML.Allowed' => 'iframe[src|width|height|frameborder|allowfullscreen]...',
'HTML.Trusted' => true,
'HTML.SafeIframe' => true,
'HTML.SafeObject' => true,