Pimcore\Model\Tool\Targeting\Rule::setName PHP Method

    public function setName($name)
    {
        $this->name = $name;
        return $this;
    }

 public function ruleAddAction()
 {
     $target = new Targeting\Rule();
     $target->setName($this->getParam("name"));
     $target->save();
     $this->_helper->json(["success" => true, "id" => $target->getId()]);
 }