# Cutline

You can add a cutline (or tagline) to highlight a single important point of information about your product: 

### Setting up the new metafield definition

To set up a cutline, you need to create a new, custom metafield definition that Palo Alto can recognize.

{% hint style="warning" %}
The most important part is to use this namespace and key: `theme.cutline`
{% endhint %}

To start, navigate to your **Shopify admin -> Settings** and choose **Metafields and metaobjects** from the left panel. Next, click on **Products** *(click images to zoom)*:

Click the **Add definition** button to begin. Choose a name, we'll use '`cutline`'. Next, we will use a custom namespace. This is **required**.

A crucial step here is to change the **default namespace** (usually called '*my\_fields*') to **`theme` :**

Add a description *(this is optional),* then **Select type**. Next, choose **Single line text** *(it's the default option):*

{% hint style="success" %}
Don't forget to **save** your changes.
{% endhint %}

### Product setup

Now that our custom metafield has been defined, the final step is to edit any of your products in the **Shopify admin -> Products** and update the new `cutline` metafield.

All you need to do is scroll to the bottom of the product setup page and fill them in:

Don't forget to **save** your product and preview it on any product grid view, such as a collection page: