Home > @infiniteobjects/shopify-data-manager > AdminTypes > QueryRoot > metafieldDefinitionTypes
Each metafield definition has a type, which defines the type of information that it can store. This type is enforced across every instance of the resource that owns the metafield definition.
Refer to the [list of supported metafield types](https://shopify.dev/apps/metafields/types).
Signature:
metafieldDefinitionTypes: Array<MetafieldDefinitionType>;