Token = "sl.CAirrApMP3MmqfxAgYhlitMkH3J7CmcSnaOjCUghRVLtFIhPZ0jzduJbWPea8qBaOeeB-L_PZ6...";
File = "kJU6-a-pT48AAAAAAAAABw";
Result = OPI_Dropbox.CancelFilePublication(Token, File);