public function addStructuredDataAttachments(\AgentSIB\Diadoc\Api\Proto\Events\StructuredDataAttachment $value)
    {
        if ($this->StructuredDataAttachments === null) {
            $this->StructuredDataAttachments = new \Protobuf\MessageCollection();
        }

        $this->StructuredDataAttachments->add($value);
    }