src/Builder/AttachmentBuilder.php
public function create()
    {
        $attachment = new Attachment($this->data + ['fields' => clone $this->fields]);
        $this->refresh();

        return $attachment;
    }
public function create()
    {
        $attachment = new Attachment($this->data + ['fields' => clone $this->fields]);
        $this->refresh();

        return $attachment;
    }
@throws \LogicException When called before setFallback($fallback)

@return Attachment