Home > @infiniteobjects/shopify-data-manager > AdminTypes > FileUpdateInput > previewImageSource
The source from which to update the media preview image. May be an external URL or a [staged upload URL](https://shopify.dev/api/admin-graphql/latest/mutations/stageduploadscreate).
Signature:
previewImageSource?: InputMaybe<Scalars['String']['input']>;