HttpDownload
Description
This activity retrieves the content at a URL, saves to a file and returns it as a byte array.
Misc
ErrorText OutArgument<String>
The reason for a possible failure of the activity. If it is null, it means that the actiivty was successful.
Result OutArgument<Byte[]>
Url InArgument<String> REQUIRED
The http url which content you want to get.