Uploading and download file in D365FO

Create a simple form with two buttons file upload & download.

For Upload:

Using button clicked event: File::GetFileFromUser()

For Download:

For Download button: new Browser().navigate(fileUrl).

[Form]

public class SLD_UploadDownload extends FormRun
{
    str fileUrl;
 
    [Control("Button")]
    class UploadButton
    {
        public void clicked()
        {
            FileUploadTemporaryStorageResult result = File::GetFileFromUser() as FileUploadTemporaryStorageResult;
            if (result && result.getUploadStatus())
            {
                fileUrl = result.getDownloadUrl();
                info(fileUrl);
            }
        }
    }
 
    [Control("Button")]
    class DownloadButton
    {
        public void clicked()
        {
            new Browser().navigate(fileUrl);
        }
    }
}