public async Task <IFunctionOutput> CreateOutputAsync(CancellationToken cancellationToken)
        {
            IStorageBlockBlob blob             = GetBlockBlobReference(_outputBlob);
            string            existingContents = await ReadBlobAsync(blob, cancellationToken);

            return(await UpdateOutputLogCommand.CreateAsync(blob, existingContents, cancellationToken));
        }
        public IFunctionOutput CreateOutput()
        {
            IStorageBlockBlob blob = GetBlockBlobReference(_outputBlob);

            return(UpdateOutputLogCommand.Create(blob));
        }