GraphQL Post - Query Object

ApiSchema.java

return newObject()
          .name("Query")
          .description("Root query")
          .field(newFieldDefinition()
                     .name("film")
                     .description("Find a film by id")
                     .argument(newArgument() // argumento (id: ID)
                                 .name("id")
                                 .description("Film ID")
                                 .type(new GraphQLNonNull(GraphQLInt)))
                     .type(new GraphQLTypeReference("Film"))
                     .dataFetcher(filmDataFetcher))