files property
Get and set this request's file fields as a Map of field names to files. The value can be a MultipartFile or, if in the browser, a Blob.
The returned Map
is modifiable. Files can be set like so:
MultipartFile file = new MultipartFile(...);
MultipartRequest request = new MultipartRequest()
..files['file1'] = file;
Implementation
late Map<String, dynamic> files;