# DataLoader Explained: What, Why & Where It Belongs!

> What DataLoaders are, why you should use them, and where they belong in your project, with Green Donut and Hot Chocolate 15.

Canonical source: https://chillicream.com/videos/2025-02-19-dataloader-explained

Episode 01

![](https://chillicream.com/_optimized/images/remote/2bb0dd6e1b9347a1d3732300ea752f39f1ac4f1f76587433ca3a407245b31786.jpg)

[Michael Staib](https://chillicream.com/authors/michael-staib)Feb 19, 2025

[Example source](https://github.com/ChilliCream/platform-examples/tree/main/examples/HotChocolate/DataLoaderExplained) [Watch on YouTube](https://www.youtube.com/watch?v=gVIxde5nlWE)

Hi everyone,

In this episode, we will take a peek at DataLoader with Green Donut and Hot Chocolate 15\. We will look at what they are, why you should use them, and where you should place them in your project.

So buckle up and join me!

Hot Chocolate version used in this video: [15.1.0-p.7](https://www.nuget.org/packages/HotChocolate/15.1.0-p.7)

- DataLoader
- GreenDonut
- Hot Chocolate