form-builder-conditional-fields-multiple-form-types.php

// This filter will work for contact from conditional recipients. The custom_contact_recipient is the function name.
add_filter('df_contact_recipient', 'custom_contact_recipient', 10, 3);

// Use this filter will work for my create post form type. The custom_form_recipient is the function name
add_filter('df_notification_recipient', 'custom_form_recipient', 10, 3);

// This is the function for the contact form 
function custom_contact_recipient( $mail_to, $form_id, $form_data ) {

	 /*** Your conditions go here ***/
	 
}
// This is the function for the create post form type - you can put conditions here for any form type 
function custom_form_recipient( $mail_to, $form_id, $form_data ) {

	 /*** Your conditions go here ***/

}