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Relationships : (Hosted/MotorPool_Equipment_List_Feature_Service)

{"relationships": [{
 "destinationLayerId": 1,
 "attributed": false,
 "composite": false,
 "originLayerId": 0,
 "name": "",
 "backwardPathLabel": "Used_by_Dept",
 "rules": [],
 "originPrimaryKey": "facilityid",
 "forwardPathLabel": "Has_Equipment",
 "id": 0,
 "originForeignKey": "department",
 "cardinality": "esriRelCardinalityOneToMany"
}]}