Please note the metafield type is now updated to “number_integer”. You can define this same metafield, by changing the value_type to “number_integer”.
“namespace” : “seo”
“key” : “hidden”
“value” : 1
“value_type” : “number_integer”
Please note that Shopify will add the meta tag “noindex, nofollow” if you turn on this metafield.