# Lesson 5.2 - Add remote fields

Add a remote field to the Product model to fetch review data scoped to each product entry using the HyDemoAPI remote source.

In this lesson, you will add a remote field to the `Product` model. Remote fields fetch data from a remote source in the context of a specific model entry. The field uses a value from the entry itself, in this case `productSlug`, as the argument passed to the external API, so the reviews returned are always scoped to that product.

This is different from a top-level remote field, which fetches remote data independently of any entry. That is covered in lesson 5.3.

## Add a remote field to the Product model

You will use the `HyDemoAPI` remote source configured in lesson 5.1 to add a `Reviews` field to the **Product** model.

[Video: Add a remote field to the Product model](https://eu-central-1-shared-euc1-02.graphassets.com/AvHQ3RDvFSousA8iwElOKz/mDIeXmgzQ0yis5Uv7drY)

1. Open the **Product** model in the Schema editor and from the right sidebar, add a **REST** remote field.
2. Fill in the following information:

    | Field | Input |
    |---|---|
    | Display name | Reviews |
    | API ID | Auto-completed. Leave as is. |
    | Remote source | HyDemoAPI is selected by default. Leave as is. |
    | Method | GET is selected by default. Leave as is. |
    | Return type | Select `Reviews` from the dropdown |
    | Path | `/api/reviews/product/{{doc.productSlug}}` |

    The `Path` appends to the remote source base URL. `{{doc.productSlug}}` references the `productSlug` field on the current `Product` entry, which scopes the review data to that specific product.

3. Click **Add** to save.

## What's next

[Lesson 5.3 - Add top-level remote fields](https://hygraph.com/docs/getting-started/tutorial/tutorial-add-top-level-remote-fields)

Or, go to the [Tutorial overview](https://hygraph.com/docs/getting-started/tutorial/tutorial-overview) for the full lesson list.