# Open product pages with params

Base JS call:

```javascript
Ecwid.openPage('product', 'id': 72585497);
```

List of additional parameters for the call:

* `'id'` - Internal product ID. This is a **required** parameter for opening product pages.
* `'name'` - Product name for the URL in lowercase, with spaces replaced with dashes. For example, `pizza-33cm`.
* `'slug_value'` - Custom page slug for the product. Use it instead of the `name` parameter if a product has a custom slug.
* `'variation'` - Accepts product variation ID as a value to open a specific product variation.
* `'options'` - Accepts an array of product option choices (dropdown and radio button option types). \
  \
  Option choices are assigned to product options depending on the option index (starts at 1). For example, `'options': [3,1]` selects the third value for the first option, and the first value for the second option.

{% hint style="info" %}
If you pass both `id` and `name` or `id` and `slug_value` parameters, Ecwid JS API will create a product URL and open it without making additional backend requests to confirm the category exists. The choice between the `name` or `slug_value` parameters depends on whether a product has a custom slug.
{% endhint %}

Code examples:

```javascript
Ecwid.openPage('product', {'id': 72585497, 'slug_value': 'best-toys'});

Ecwid.openPage('product', {'id': 45523512, 'name': 'Pizza Roll'});

Ecwid.openPage('product', {'id': 72585497, 'variation': 16351010});

Ecwid.openPage('product', {'id': 72585497, 'options': [2,2]});
```

There is an alternative way to open a page with pre-selected options or a variation **without JS API**. You can add option choices or the variation ID (`?options=1,2,3` or `?variation=123456`) as a query parameter to product page URLs and open it. URL examples:\
`https://example.com/store/example-product?variation=163510`\
`https://example.com/store/example-product?options=4,3`


---

# 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://docs.ecwid.com/storefronts/open-page-on-the-storefront/open-product-pages-with-params.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.