AzureStorage.BlobContents(url as text, optional options as nullable record) as binary
Returns the content of the blob at the URL,
url, from an Azure storage vault.
options may be specified to control the following options:
BlockSize: The number of bytes to read before waiting on the data consumer. The default value is 4 MB.
RequestSize: The number of bytes to try to read in a single HTTP request to the server. The default value is 4 MB.
ConcurrentRequests: The ConcurrentRequests option supports faster download of data by specifying the number of requests to be made in parallel, at the cost of memory utilization. The memory required is (ConcurrentRequest * RequestSize). The default value is 16.