Struggling to Access Multiple Metafields in Shopify Discount Functions

[yedla_dinesh]

I’m currently facing an issue with accessing multiple metafields inside Shopify discount functions. Using the discountAutomaticAppCreate GraphQL mutation, I created 2 automatic discounts with the same appId  and same metafields namespace, resulting in two discounts, each containing metafield data.  Each discount has its own metafield data, but the keys are different while sharing the same namespace.

When I try to access a single metafield like this:

discountNode {
    metafield(namespace: "test", key: "test-key") {
      value
    }
  }

It retrieves the value by specifying the metafield key. However, since the keys are different, I’m struggling to retrieve both metafields within the same namespace.

However, I’m unable to retrieve these metafield values within the Shopify discount functions. Below is the input.graphql code I’ve been working with.

query GetCartContents($selectedCollectionIds: [ID!]) {
  cart {
    lines {
      quantity
      merchandise {
        __typename
        ... on ProductVariant {
          id
          product {
            id
            inAnyCollection(ids: $selectedCollectionIds)
          }
        }
      }
    }
  }
  discountNode {
    metafield(namespace: "test", key: "test-key") {
      value
    }
  }
}

If anyone has insights or solutions for this, I’d greatly appreciate your help!

[tobebuilds · Accepted solution]

You can easily handle this problem by giving an alias to each metafield query:

discountNode {
    metafield1: metafield(namespace: "test", key: "test-key-1") {
      value
    }
    metafield2: metafield(namespace: "test", key: "test-key-2") {
      value
    }
  }

Best,

Tobe

[yedla_dinesh]

Hi Tobe,

Thanks for your reply, really appreciate it.

I’ve tried the same approach, but it’s not working as expected. It does return a metafield value, but not both. Sometimes it returns the value of metafield1, and sometimes it returns metafield2.

Here's the output:

"discountNode": {
    "metafield1": null,
    "metafield2": {
      "value": "{\"title\":"Test metadata",\"products\":[]}"
    },
  },

and here's the input.graphql file code

query GetCartContents($selectedCollectionIds: [ID!]) {
  cart {
    lines {
      quantity
      merchandise {
        __typename
        ... on ProductVariant {
          id
          product {
            id
            inAnyCollection(ids: $selectedCollectionIds)
          }
        }
      }
    }
  }
  discountNode {
    metafield1: metafield(namespace: "test", key: "test-key") {
      value
    }
    metafield2: metafield(namespace: "test", key: "test-key-1") {
      value
    }
  }
}

Let me know if I’m doing anything wrong.

Thanks
Dinesh