transactionStatus method Null safety

Future<Response> transactionStatus(
  1. {required String transactionId}
)

Implementation

Future<http.Response> transactionStatus({
  required String transactionId
})async{
  return await africasTalking.httpGetProcess(
    airtimeTransactionStatusLiveUrl,
    {
      'transactionId': transactionId,
    }
  );

}