Step 1 - Participant Role
The participant role you are setting must have the ability to search from parent items turned on in Role Sourcing for that work type.
- Modeller > Participant Roles > Edit Role from burger menu > Sharedo Ownership nav bar > Edit from burger menu on relevant work type.
- In Role Sourcing tick Show related participants on parent sharedos.
Step 2 - ODS Entity Picker
On the work item, in the ODS Entity Picker Aspect against that role, Can search Related participants must be switched on.
- Modeller > Work Type > Edit > Aspects button > ODS Entity Aspect settings button.
- In Roles, select the role. In the Can Search section, set Related participants (if role sourcing allows) On.