title: AWSS3TransferManagerErrorDomain Code = 5 "'bucket' name can not be empty" in swift 4
body: <ol>
  <li>I am trying to upload  images through aws sdk but when i set AWSS3TransferManager and pass my upload request i got this error. I have tried alot but i got nothing.Below is my upload request</li>
  <li><code>(&lt;AWSS3TransferManagerUploadRequest: 0x7fa171ff4380&gt; {
  ACL = 0;
  body = "file:///Users/godoctor/Library/Developer/CoreSimulator/Devices/9840DEEA-0D60-48FC-A51E-54FEA77717C7/data/Containers/Data/Application/B1055539-C02A-49D3-BC07-68FBDAB9F6EC/Documents/S3BUpload/2B6EA75E-D0A5-4D3D-9059-005E46A58FBD-58887-0001675A8B149223.png";
  bucket = "qa.test";
  contentType = image;
  currentUploadingPartNumber = 0;
  key = "2B6EA75E-D0A5-4D3D-9059-005E46A58FBD-58887-0001675A8B149223.png";
  requestPayer = 0;
  serverSideEncryption = 0;
  state = 0;
  storageClass = 0;
  totalSuccessfullySentPartsDataLength = 0;
  })</code></li>
  <li><a href="https://i.stack.imgur.com/5i9Na.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/5i9Na.png" alt="enter image description here"></a></li>
  </ol>