# Switch Frame Block

Toggle between the main window and the iframe element.

Use this block when you wish to run the blocks in the category of web interaction within an iframe element or when you want to swap back to the main window.

* **Iframe selector**\
  CSS Selector of the iframe element.

Please note:

This block cannot function without an active tab. For this reason, use the Active Tab block or the New Tab block before using this one.


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# 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.goless.com/blocks/web-interaction/switch-frame-block.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.