Here is the official documentation for AWS Amplify GraphQL Client: https://aws-amplify.github.io/amplify-js/media/api_guide.html. The section supplies an example for basic String
inputs though.
For AWS Mobile Appsync SDK for Javascript, there is a detailed doc here: https://docs.aws.amazon.com/appsync/latest/devguide/building-a-client-app-react.html. However, I do not want to add another configuration for it -I already have one for Amplify.
So, how to upload files to S3 storage by using AWS Amplify and AWS AppSync as the backend, what extra configuration is needed for Amplify -if there is?