# URL Parameter Value

{% hint style="info" %}
**Block Information**

Available in: Page Flow

Toolbox Category: Html/DOM

Block Type: [Output](/app-editor/page-flow/block-anatomy.md#output-block)

Output Type: [*text*](/app-editor/page-flow/references/value-types.md)
{% endhint %}

**`URL Parameter Value`** is an [output block](/app-editor/page-flow/block-anatomy.md#output-block) that retrieves the value of a [URL query string parameter](https://en.wikipedia.org/wiki/Query_string) via it's name. The output is of type [*text*](/app-editor/page-flow/references/value-types.md) and is compatible with [Value Parameters](/app-editor/page-flow/block-anatomy.md#value-parameters) of type [*text*](/app-editor/page-flow/references/value-types.md) or of type [*any*](/app-editor/page-flow/references/value-types.md).

<div align="left"><figure><img src="/files/57caSsnyPtHIaGEGUSga" alt="" width="371"><figcaption><p>URL Parameter Value block</p></figcaption></figure></div>

The block consists of *Name* a [Value Parameter](/app-editor/page-flow/block-anatomy.md#value-parameters) that accepts a [*text*](/app-editor/page-flow/references/value-types.md) value representing the [name](/app-editor/page-editor/page-element-settings.md#name) of the URL parameter.

***

## Usage Example

The image below shows an example of the URL Parameter Value block where the variable str is set to the value of the URL Parameter named *page\_index*.

<div align="left"><figure><img src="/files/LdnbwaiOgTQJtrBfou2a" alt="" width="563"><figcaption><p>Example of the URL Parameter Value block</p></figcaption></figure></div>


---

# 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.zingy.ai/app-editor/page-flow/toolbox-blocks/url-parameter-value.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.