# 3.3. Analyzing product information history

Feature: Product Analysis

Module: Product Analysis

Feature element: ***Analyzing product information history***

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXejzJpFHSrMcBHe_L2zUMuEYGAXD0c6l-JxtD91nHPi3iLGfDCwsxMOPCSmsYnirY1I-nHIU4Yw0Ly1ey19zkVFZpL4z1VLxVpvEGFkG-Ri5Kv4NGazYWt8-5nGeSrI--z5Di9ZA8AWMqa7lPXYG4O0iWKc?key=tbCtza_naiJWo2EDbyiWnA" alt=""><figcaption></figcaption></figure>

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXfnAo_XtWobimuSlmW9SlUnmnrMhWlRS-5RlEPFH2LxMGqTifBOtbxmcvPZYUq83CO61djjGfzZSOFg07EGfl_4W1aPmbsPcUp7dfmHh30EN0koMcHv1l4ALBAveAyrYH6nUpNkdIhwdKbWPVDaQKPG2NaW?key=tbCtza_naiJWo2EDbyiWnA" alt=""><figcaption></figcaption></figure>

The feature **Product information history** allows you to see the alterations in product names, prices, thumbnails, and descriptions in the time of analysis.&#x20;

Watch detailed instructions [here](https://hotro.metric.vn/en/product-analysis/pages/ejC1SjZ0uHTNAY9YRC1j#id-14.-info-history).

For any further requests, please contact hotline **033 806 2221**, or send to email: **<info@metric.vn>** for advice and answers.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://hotro.metric.vn/en/product-analysis/product-info-history.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.