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Relationships : (Cadastral/PLAN_ProjectBoundaryDocument)

{"relationships": [{
 "id": 0,
 "name": "PLAN_ProjectBoundary_PLAN_ProjectDocument",
 "catalogID": "{9E8710CF-21B5-4D60-BB24-BD054E05F944}",
 "backwardPathLabel": "PLAN_ProjectBoundary",
 "originLayerId": 0,
 "originPrimaryKey": "ProjectName",
 "forwardPathLabel": "PLAN_ProjectDocument",
 "destinationLayerId": 1,
 "originForeignKey": "ProjectName",
 "rules": [],
 "cardinality": "esriRelCardinalityOneToMany",
 "attributed": false,
 "composite": true
}]}