Are you using the $app prefix? Try to not use that and see if it works.

Ok the problem was that (differently from what the documentation says) the right syntax is this: [extensions.input.variables]namespace = "$app:my-delivery-function"key = "shipping-config"

I'm trying to use a variable in my input query for a shipping customisation function. I've followed the steps here https://shopify.dev/docs/apps/functions/input-output/variables-queries But I'm getting the following errorValidation errors  • input.va...

Hey, I had your problem but I managed to solve it, check here:https://community.shopify.com/c/extensions/simplified-deployment-not-updating-extension/m-p/2166941/highlight/true#M727The trick was to uninstall the app, set the preview off and then rein...