public function __construct($id = null, $proposalId = null, $productPackageId = null, $rateCardId = null, $name = null, $comments = null, $status = null, $startDateTime = null, $endDateTime = null, $lastModifiedDateTime = null)
{
$this->id = $id;
$this->proposalId = $proposalId;
$this->productPackageId = $productPackageId;
$this->rateCardId = $rateCardId;
$this->name = $name;
$this->comments = $comments;
$this->status = $status;
$this->startDateTime = $startDateTime;
$this->endDateTime = $endDateTime;
$this->lastModifiedDateTime = $lastModifiedDateTime;
}