> For the complete documentation index, see [llms.txt](https://docs.convai.com/api-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.convai.com/api-docs/zh/cha-jian-yu-ji-cheng/web-plugins/narrative-design-guide/narrative-design-triggers.md).

# Narrative Design 触发器

## 在 Web 中使用 Invoke Narrative Design Trigger。

这些触发器可用于在故事图中导航，并激活特定的叙事设计部分。

在下面的示例中，调用触发器（start tour）将激活“Greet User”部分。

<figure><img src="/files/f5d4c690222d0d8c2c23fdc38e6a20d26cf7029a" alt=""><figcaption><p>叙事设计触发器</p></figcaption></figure>

一旦逻辑确定，我们就可以转到我们的 Javascript 代码。在那里我们已经初始化了 convaiClient。\
我们可以调用 `convaiClient.invokeTrigger()` 当我们的用例需要时，就可以使用它。\
此外，还可以将上下文信息作为第二个参数：message 传入。

```javascript
convaiClient = new ConvaiClient({
        apiKey: "", // 替换为你的 API 密钥
        characterId: "", // 替换为你的角色 ID
        enableAudio: true,
        faceModal: 3,
        enableFacialData: true,
    });

// 在上述场景中，triggerName = "Start tour."
convaiClient.invokeTrigger("triggerName", "message");
```


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