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update js docs according to python PR

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Twisha Bansal
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docs/en/samples/pre_post_processing/js.md
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@@ -1,14 +1,15 @@
---
title: "(JS) Pre and post processing"
title: "Javascript"
type: docs
weight: 5
weight: 2
description: >
How to add pre and post processing to your JS toolbox applications.
How to add pre- and post- processing to your Agents using JS.
---
## Prerequisites
This tutorial assumes that you have set up a basic toolbox application as described in the [local quickstart](../../getting-started/local_quickstart_js).
This tutorial assumes that you have set up Toolbox with a basic agent as described in the [local quickstart](../../getting-started/local_quickstart_js).
This guide demonstrates how to implement these patterns in your Toolbox applications.
@@ -19,7 +20,7 @@ This guide demonstrates how to implement these patterns in your Toolbox applicat
Coming soon.
{{% /tab %}}
{{% tab header="Langchain" text=true %}}
The following example demonstrates how to use `ToolboxClient` with LangChain's middleware to implement pre and post processing for tool calls.
The following example demonstrates how to use `ToolboxClient` with LangChain's middleware to implement pre- and post- processing for tool calls.
```js
{{< include "js/langchain/agent.js" >}}
@@ -28,3 +29,13 @@ The following example demonstrates how to use `ToolboxClient` with LangChain's m
For more information, see the [LangChain Middleware documentation](https://docs.langchain.com/oss/javascript/langchain/middleware/custom#tool-call-monitoring).
{{% /tab %}}
{{< /tabpane >}}
## Results
The output should look similar to the following. Note that exact responses may vary due to the non-deterministic nature of LLMs and differences between orchestration frameworks.
```
AI: Booking Confirmed! You earned 500 Loyalty Points with this stay.
AI: Error: Maximum stay duration is 14 days.
```