I would like to know what needs to be done (coding or even otherwise) required to make the attachments readonly and also not allow workspace users to be able to delete or add new attachments.
In the workflow you have to loop through the attachmentList from the Assign Task operation and set the permission in the document attribute before the next assign task operation.
A bit mask number that represents the access permissions for the document.
Access permissions determine how the document can be used when it is attached to a task. The value of the number is the sum of the number that represents each access permission provided for the document.
Read access: 1
Write access: 2
Delete access: 4
Valid values are 1, 3, 5, and 7. For example, the value of
For reference check the link: http://livedocs.adobe.com/livecycle/8.2/wb_help/wwhelp/wwhimpl/common/html/wwhelp.htm?context=Workbe...