> For the complete documentation index, see [llms.txt](https://docs.empirica.ly/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.empirica.ly/tutorials/beginner-experiment-prisoners-dilemma/part-1-before-you-start.md).

# Part 1: Before you start

## Setting up the dependencies

Before you complete the tutorial, you will need to install Empirica as described in the link below:

{% content-ref url="/pages/-M-DZSKixhVwcSzJSWYl" %}
[Setup](/getting-started/setup.md)
{% endcontent-ref %}

## Setting up the editing environment

This tutorial was developed using Visual Studio Code. You are welcome to use any editor or IDE you are comfortable with, but if you don't have a favorite, or you want to follow along precisely with the tutorial, you may want to give it a try. You can find instructions on the page linked below:

{% content-ref url="/pages/-MJ9gqydiZpZyUppD2iS" %}
[Code Editors](/resources/code-editors.md)
{% endcontent-ref %}


---

# Agent Instructions
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## Querying This Documentation
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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

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GET https://docs.empirica.ly/tutorials/beginner-experiment-prisoners-dilemma/part-1-before-you-start.md?ask=<question>
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