anchor.diff:  
     # Is it a fair booth or a show?
     type: String
  +  viewingRoomIDs: [String!]!
  +  viewingRoomsConnection: ViewingRoomsConnection
   }
   
   type ShowArtworkGrid implements ArtworkContextGrid {
  
positive.code: 
    # The item at the end of the edge.
    node: ConsignmentSubmission
  }
  
  type System {
  
negative.code:   startIdentityVerification(
      input: startIdentityVerificationMutationInput!
    ): startIdentityVerificationMutationPayload
  
    # Create an artwork inquiry request
    submitInquiryRequestMutation(
      input: SubmitInquiryRequestMutationInput!
    ): SubmitInquiryRequestMutationPayload
    unpublishViewingRoom(
      input: UnpublishViewingRoomInput!
    ): UnpublishViewingRoomPayload
  