OptionalasyncReturn a receipt at once and deliver the outcome as http:downloadComplete; false blocks until the file is written.
OptionalheadersCustom request headers. User-Agent overrides the host default on the initial request. A header whose name or value contains a line break is dropped. Custom headers are omitted after a redirect, including User-Agent, so redirected requests use the host default.
OptionalinsecureAccept invalid or self-signed certificates; takes effect only when the host setting allows insecure TLS as well.
Optionalredirectfollow follows up to 10 redirects; error fails with OPERATION_FAILED on a redirect; manual saves the redirect response as it is.
File to write; path variables are expanded and missing folders are created. An existing file is replaced.
OptionaltimeoutTimeout in milliseconds for resolving, connecting, sending and receiving each; 0 or less keeps the WinHTTP defaults.
URL to download; only http and https are allowed.
Parameters for
http.download. Download a URL into a file, creating the missing folders. By default the call blocks until the file is written; withasync: trueit returns a receipt at once and the outcome arrives ashttp:downloadComplete. Downloads over 500 MB fail withOPERATION_FAILED.