ArcGIS REST Services Directory Login
JSON

Relationships : (Hosted/Parks_(City_Maintained))

{"relationships": [{
 "destinationLayerId": 2,
 "attributed": false,
 "composite": false,
 "originLayerId": 0,
 "name": "",
 "backwardPathLabel": "Parks__HFS",
 "rules": [],
 "originPrimaryKey": "globalid",
 "forwardPathLabel": "Parks_Amenities",
 "id": 0,
 "originForeignKey": "relate_guid",
 "cardinality": "esriRelCardinalityOneToMany"
}]}