What we're sort of looking for

scheme.8.5.graphql

input AttendeesFilter {
  email: EmailAddress
  firstName: String
  lastName: String
}

input Pagination {
  cursor: String
  perPage: Int
}

type Speaker {
  id: ID!
  name: String!
  sessions: [Session]
  relatedSessions: [Session]
}

type Session {
  id: ID!
  name: String!
  speakers: [Speaker]
  relatedSessions: [Session]
}

type Query {
  attendees(filters: AttendeesFilter, pagination: Pagination): AttendeeConnection
  attendee(id: ID, email: EmailAddress): Attendee
  speakers(filters: SpeakersFilter, pagination: Pagination): SpeakerConnection
  speaker(id: ID!): Speaker
  sessions(filters: SessionsFilter, pagination: Pagination): SessionConnection
  session(id: ID!): Session
}