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JSON

Relationships : (Collector/Sandbox_LYR)

{"relationships": [{
 "id": 0,
 "name": "WinterSandboxes_Current_Activity_REL",
 "backwardPathLabel": "WinterSandboxes_Current",
 "originLayerId": 0,
 "originPrimaryKey": "GlobalID",
 "forwardPathLabel": "WinterSandboxes_Current_Activity",
 "destinationLayerId": 2,
 "originForeignKey": "PARENT_GUID_CUR",
 "rules": [],
 "cardinality": "esriRelCardinalityOneToMany",
 "attributed": false,
 "composite": false
}]}