Getting Error on run create shipping discount mutation

Shopify Plus
1

Hello community,

please look at the issue when i am trying to run the mutation for create shipping discount functions i getting an error on response please look at that response

mutation {
discountAutomaticAppCreate(automaticAppDiscount: {
title: “Shipping Discount”,
functionId: “${process.env.SHOPIFY_SHIPPING_DISCOUNT_ID}”,
startsAt: “2022-06-22T00:00:00”
}) {
automaticAppDiscount {
discountId
combinesWith {
productDiscounts
}
}
userErrors {
field
message
}
}
}

Getting this erorr
{
“field”: [
“automaticAppDiscount”,
“functionId”
],
“message”: “Shipping functions are not yet supported”
}