To attach or assign a document to an event in ArchiOffice/EngineerOffice:
1. Navigate to the event details in the Calendar > Detail screen.
2. Click Assign Document. The List of Documents displays.
3. This list can be filtered by Project, Folder, Created By, Type, etc. You can also perform a search by clicking Search All Docs.
4. Select the desired document from the list and click Assign Document at the bottom of the screen.
The document is added to the Documents section of the event.