Mutation.storefrontUploadPersonalizationFile
Anonymous storefront upload for an image/file personalization field. Validates the field's accept + max size server-side; returns a stored /storage URL to embed in the cart line options.
ReturnsPersonalizationUpload!
Signature
storefrontUploadPersonalizationFile(store_slug, session_id, product_id, field_code, file):PersonalizationUpload!Anonymous storefront upload for an image/file personalization field. Validates the field's accept + max size server-side; returns a stored /storage URL to embed in the cart line options.
store_slugString!session_idString!product_idID!field_codeString!fileUpload!