* @param string $allow_cid Permissions, allowed contacts. optional, default = ''
* @param string $allow_gid Permissions, allowed groups. optional, default = ''
* @param string $deny_cid Permissions, denied contacts.optional, default = ''
* @param string $allow_cid Permissions, allowed contacts. optional, default = ''
* @param string $allow_gid Permissions, allowed groups. optional, default = ''
* @param string $deny_cid Permissions, denied contacts.optional, default = ''