schema {
  query: Query
  mutation: Mutation
  subscription: Subscription
}

type Channel {
  data: AWSJSON
  name: String
}

type Mutation {
  publish(data: AWSJSON!, name: String!): Channel
}

type Query {
  getChannel: Channel
}

type Subscription {
  subscribe(filter: String): Channel @aws_subscribe(mutations : ["publish"])
}