how do i set form hidden value in zend framework controller[Solved]

Hello guys it easy to find the tricky
Set values to form hidden properties by zend framework controller

$formData = $this->getRequest()->getPost();
// print_r($formData) all element value get and set your value which field you want
 $formData['hiddenid']=1;//hidden field
$form->populate($formData);


Hope help you:)