upload image using apiv2 in iOS idk using objective c

[bliss]

How i can upload image usign objective c. I am using APIV2.

And i implemted it which display me an error.  Test 1 root folder here. I want to image uplaod in this folder

NSData *fileData = [@"water.jpg" dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:NO];
    
    [[[client.filesRoutes uploadData:@"/Test1/" inputData:fileData]
      setResponseBlock:^(DBFILESFileMetadata *result, DBFILESUploadError *routeError, DBRequestError *networkError) {
          if (result)
          {
              NSLog(@"%@\n", result);
          } else
          {
              NSLog(@"%@\n%@\n", routeError, networkError);
          }
      }] setProgressBlock:^(int64_t bytesUploaded, int64_t totalBytesUploaded, int64_t totalBytesExpectedToUploaded) {
          NSLog(@"\n%lld\n%lld\n%lld\n", bytesUploaded, totalBytesUploaded, totalBytesExpectedToUploaded);
      }];

ERROR----

DropboxBadInputError[{
    ErrorContent = "Error in call to API function \"files/upload\": path: invalid path: paths must not have a trailing \"/\"";
    RequestId = 9576332b860df94c12bcc13a28a6877a;
    StatusCode = 400;
    UserMessage = nil;
}];

[Greg-DB · Accepted solution]

This error message is expected in this case, as the file path you supply can't end with a "/", as yours does (@"/Test1/"). When uploading, you should supply the full path, including file name. You probably meant to supply something like @"/Test1/water.jpg" instead.