Upload file to Snapper Grape. The file will be connected to current logged in user
Upload file on behalf of the user defined with 'user_name', else use currently logged in user
File upload object (HTTP)
File name to display for end user.
Event id to which the file should be connected. If this attribute is defined, the file will be visible both for the end user, and for the instructor within the course administration system for the event defined with ceid.
list of one APIOrganisastion object if successful.