Contains the possible agents for the Workflow item, if previously defined. The collection contains the user name with the user details found in the Agent Details collection (0..1).
The URLs are as follows:
From the Workflow Generic Task Processing service:
http://<host name>:<port>/sap/opu/sdata/sap/wfgentaskprocessing/WorkflowTaskCollection(value='<workitem_id>',scheme_id='IWF_WF_GEN_TASK',scheme_agency_id='<SID>_<client>')/PossibleAgents
From the Workflow User Decision Task Processing service:
http://<host name>:<port>/sap/opu/sdata/sap/wfdecisiontaskprocessing/WorkflowTaskCollection(value='<workitem_id>',scheme_id='IWF_USER_DECISION_TASK_GW',scheme_agency_id='<SID>_<client>')/PossibleAgents
From the Workflow Dialog Activity Task Processing service:
http://<host name>:<port>/sap/opu/sdata/sap/wfactivitytaskprocessing/WorkflowTaskCollection(value='<workitem_id>',scheme_id='IWF_ACTIVITY_TASK_GW',scheme_agency_id='<SID>_<client>')/PossibleAgents
You can find the details of each agent in the complex type nested in the Possible Agents collection.