Deliverables
Setup your Project Schedule tasks.
To aide in aggregated Deliverable reporting per Workstream, ensure the parent task is where you assign the Deliverable, as per example below.
Once the schedule tasks/deliverables are set, navigate to the Deliverables Module.
Open each Deliverable and change the Workstream field as desired (as per below).

Risks
When creating a risk, you can assign this to any configured Workstreams. As per the following:
Issues
When creating an Issue, you can assign this to any configured Workstreams. As per the following:
Actions
When creating an Action, you can assign this to any configured Workstreams. As per the following:
Change Control
When creating a new Change Request, you can assign this to any configured Workstreams. As per the following: