updatw.gql

mutation {
  createProduct(data:{
    name: "Apple",
    price: {
  	  create: [
        {
          price: 1.20,
          store: {
            create: {
              name: "Jumbo"
            }
          }
        }, {
          price: 3.70,
          store: {
            create: {
              name: "Lidl"
            }
          }
        }
      ],
    },
  }) {
    name
  }
}