ShopifyBuy.Init(accessToken, storeDomain); QueryRootQuery query = new QueryRootQuery(); query.products(p => p .edges(pe => pe .node(pn => pn .description() .handle() .id() .media(m => m .edges(me => me .node(mn => mn .alt() .onModel3d(ms => ms .sources(src => src .format() .url()))))) .onlineStoreUrl() .title())) ,1,null,null,null,null,null,"title:Test Sofa",null); ShopifyBuy.Client().Query( query: query, callback: (data, error) => { GameObject.Find("Button2").GetComponentInChildren().text ="Graphing..."; if (error != null) { //Error occurs here in error.description: //["You must provide one of first or last"] GameObject.Find("Button3").GetComponentInChildren().text = error.Description; } else { string textValue = ":"+data.products().edges()[0].node().description(); GameObject.Find("Button3").GetComponentInChildren().text = textValue; } } );