// import getTransferConfig request message
} from "../ts-proto/sgn/gateway/v1/gateway_pb";
// import grpc-web WebClient
} from "../ts-proto/sgn/gateway/v1/GatewayServiceClientPb";
const request = new MarkRefRelationRequest();
request.setTransferId(YOUR_TRANSFER_ID);
request.setRefId(YOUR_REF_CODE);
const client = new WebClient(`https://cbridge-prod2.celer.network`, null, null);
const response = await client.markRefRelation(request, null);