Example (from the [graphql-yoga][1] project): [link][3]. Definition of docstring: [link][2]. [1]: https://github.com/prisma/graphql-yoga [2]: https://www.apollographql.com/docs/resources/graphql-glossary/#docstring [3]: https://github.com/prisma/graphql-yoga/blob/master/examples/prisma-js/prisma.graphql#L40-L53
