enum join__Graph { FOODSEARCH @join__graph(name: "foodSearch", url: "foodSearch") PRODUCTSEARCH @join__graph(name: "productSearch", url: "productSearch") USERSEARCH @join__graph(name: "userSearch", url: "userSearch") } type Query { searchFood(filterName: FilterName, filterValue: String): [String!]! @join__field(graph: FOODSEARCH) searchProduct(filterName: FilterName, filterValue: String): [String!]! @join__field(graph: PRODUCTSEARCH) searchUser(filterName: FilterName, filterValue: String): [String!]! @join__field(graph: USERSEARCH) } enum FilterName { NAME CREATED_AT }