Metafield content types and values

Each type of metafield accepts a range of supported values for different use cases. Refer to the following table of metafield content types for more information:

supported values for each type of metafield
example use cases for each type of metafield
if the content type can be used as a metafield list

For more information, refer to the developer documentation for Metafields.

Common metafield content types
Content type	Description	Use in a list	Example
Collection reference	Allows you to link to an existing collection. Supports linking to one or multiple collections in a metafield list.	Yes	Include a "Complete the look" collection for fashion products in your online store.
Color	Supports RGB values in `#RRGGBB` format.	Yes	Store the color of a product and then set the background of the product page to the same color.
Date	Supports date values in ISO 8601 format, without a time zone.	Yes	Add product expiration dates, order delivery dates, or customer birth dates.
Date and time	Supports date values in ISO 8601 format and time values in UTC time.	Yes	Add launch event dates or product release dates.
Decimal	Decimal values can be in the range of +/-9999999999999.999999999, with up to 13 digits before the decimal and up to 9 digits after.	Yes	Add a carat weight for jewelry.
Dimension	Supports both whole number and decimal values. Dimension uses either metric or imperial units of measurement.	Yes	Add box heights or product lengths, such as the length of a scarf.
File reference	Supports uploading a single file in one of the following file types: Images Images must be less than 20 MB. Accepted formats: JPEG, PNG, WEBP, HEIC, and GIF. Will render as an image when used in theme settings. Videos Videos must be less than 1 GB, and less than ten minutes in length. Accepted formats: MOV and MP4. Will render as a video when used in video-type theme settings, or fall back to an image when used in image-type settings. All file types Generic files must be less than 20MB. Will render as a downloadable link in themes. Refer to File format requirements for supported file types.	Yes	Add a PDF file for assembly instructions.
Integer	Integer values can be in the range of -4,611,686,018,427,387,904 to 4,611,686,018,427,387,903.	Yes	Add a page count for books.
JSON	Supports raw JSON data for advanced use cases when you need a structured data source.	No	Add a table of specifications that has different columns for each product, for example, tables of ingredients.
Metaobject reference	Supports linking to a single or multiple metaobject entries.	Yes	Add and display a custom influencer profile on select product pages.
Mixed reference	Supports references of any type. Developer support is needed to use this type in your storefront. Learn more about custom data for developers.	Yes	Create dynamic landing pages in your Hydrogen Storefront.
Money	Supports both whole number and decimal values. Currency code must match store currency.	No	Track product cost details, such as distributor cost or ship to warehouse cost.
Multi-line text	Supports plain text with line breaks. You can choose your minimum and maximum lengths and regular expression rules.	No	Add shipping notes or return policies.
Page reference	Allows you to link to an existing page. Supports linking to a single or multiple pages in a metafield list.	Yes	Insert your policy page or a detailed care guide on products in your online store.
Product reference	Supports linking to one or multiple products in a metafield list.	Yes	Store and display featured products on product pages or collection pages in your online store.
Product variant reference	Supports linking to one product variant.	Yes	Store and display other clothing items in the same color on product pages in your online store.
Rating	Supports decimal values along a given scale, depending on how you configure your definition.	Yes	Add an audience score or a star rating for a product.
Rich text	Supports text with line breaks and inline styling, including heading styles, bold, italic, and underline. Can only be connected to theme settings that work with rich text. Themes handle styling in different ways, which might override the styles you apply here. Check with your theme’s documentation to better understand how the rich text metafield will be styled in your theme.	No	Add long-form stories about your brand or product, including styling.
Single line text	Supports plain text with no line breaks. You can limit single-line fields to preset choices that you specify when you create your metafield definition.	Yes	Add short notes and announcements.
True or false	Creates a checkbox for selecting whether a condition is true or false.	No	Add whether an option is available, such as whether an item can be engraved.
URL	Supports `HTTP`, `HTTPS` and `mailto:` URLs. You can limit URLs to specific domains when you create your metafield definition.	Yes	Add a link to book reviews or product videos that are hosted on a specific website.
Volume	Supports both whole number and decimal values. Volume uses either metric or imperial units of measurement.	Yes	Add the volume capacity of a water bottle.
Weight	Supports both whole number and decimal values. Weight uses either metric or imperial units of measurement.	Yes	Add the weight of a product or ingredient, for example, grams of sugar.