multiple uploads and downloads

I am using bonita 7.1.2 community. In the expense report as label and cost, i want to add multiple upload file also.
And also i want download the uploaded files in the another task. Can anyone help me please.
Thanks…

Hello

Have you seen this example into Projects like this http://community.bonitasoft.com/project/file-upload-and-download-process-example?

In this example you could see how manage and upload multiple documents.

Best regards.
Gabriel