Shopify Metafields with GraphQL

query-1

{
    product(first: 50) {
        edges {
            node {
                name
                description
            }
        }
    }
}

query-2

{
    products(first: 250) {
        edges {
            node {
                metafields(first: 250) {
                    edges {
                        node {
                            namespace
                            key
                            value
                        }
                    }
                }
            }
        }
    }
}

query-3

{
    productVariants(first: 50) {
        pageInfo {
            hasNextPage
        }
        edges {
            cursor
            node {
                legacyResourceId
                product {
                    legacyResourceId
                }
                metafield1: metafield(
                    namespace: "klevu"
                    key: "metafield1"
                ) {
                    value
                }
                metafield2: metafield(
                    namespace: "klevu"
                    key: "metafield2"
                ) {
                    value
                }
                metafield3: metafield(
                    namespace: "klevu"
                    key: "metafield3"
                ) {
                    value
                }
            }
        }
    }
}

query-4

mutation {
  bulkOperationRunQuery(
   query: """
    {
      products {
        edges {
          node {
            id
            metafields {
              edges {
                node {
                  namespace
                  key
                  value
                }
              }
            }
            variants {
              edges {
                node {
                  id
                  metafields {
                    edges {
                      node {
                        namespace
                        key
                        value
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
    """
  ) {
    bulkOperation {
      id
      status
    }
    userErrors {
      field
      message
    }
  }
}

mutation {
  productUpdate(input: {
      id: "gid://shopify/Product/7482579091675", 
      metafields: [
        {
          namespace: "sf_product_track", 
          key: "expiry_date", 
          value: "2022-12-30", 
          type: "string"
        }
      ]
  }) {
    product {
      id,
      title,
      metafield(namespace: "sf_product_track", key: "expiry_date") {
        id
        namespace
        key
        value
        type
      }
    }
  	userErrors {
        field
        message
    }	
  } 
}