Mutations
Mutations
Up until this point we have only interacted with the GraphQL endpoint to perform queries that fetch data. In this guide, you will learn how to use Relay to perform mutations – operations that consist of writes to the data store followed by a fetch of any changed fields.
A complete example
Before taking a deep dive into the mutations API, let's look at a complete example. Here, we subclass Relay.Mutation to create a custom mutation that we can use to like a story.
class LikeStoryMutation extends Relay.Mutation {
// This method should return a GraphQL operation that represents
// the mutation to be performed. This presumes that the server
// implements a mutation type named ‘likeStory’.
getMutation() {
return Relay.QL`mutation {likeStory}`;
}
// Use this method to prepare the variables that will be used as
//
