Using PHAsset

if let asset = info[UIImagePickerControllerPHAsset] as? PHAsset
{
   let assetResources = PHAssetResource.assetResources(for: asset)
   let firstObj = assetResources.first!
   print(firstObj.originalFilename)
   return firstObj.originalFilename
}

Using URL
URL ==> file:///private/var/mobile/Containers/Data/Application/CB6E6130-558A-494B-872E-B836529985E3/tmp/C66D5F2E-1596-4FC7-9DAF-B0F21B9FE0F4.jpeg