> For the complete documentation index, see [llms.txt](https://docs.aisuru.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.aisuru.com/en/advanced-features/integrations/functions.md).

# Functions

AIsuru's functions **let you extend your virtual assistant's capabilities**, enabling it to perform specific actions and interact with external systems. This powerful feature transforms your AI from a simple chatbot into a versatile, customizable tool.

In this section, we'll explore:

* [What functions are](/en/advanced-features/integrations/functions/what-are-functions.md) and how they can improve your AI assistant;
* [How to set up and configure a function](/en/advanced-features/integrations/functions/advanced-functions/how-to-configure-a-custom-function.md) step by step;
* [Best practices and common use cases](/en/advanced-features/integrations/functions/advanced-functions/best-practices.md) for getting the most out of this feature.

Whether you're looking to integrate real-time data, automate processes, or create unique user experiences, AIsuru's functions give you the tools to bring your vision to life. Keep reading to discover how to unlock the full potential of your AI assistant! 🚀

{% hint style="info" %}
💡 Want to import functions from another agent?\
Go to Import/Export > Import Functions and Intents
{% endhint %}