ArcGIS REST Services Directory
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Relationships : (Geoscientific/i08_Stations_Discrete_Grab_Water_Quality)

{"relationships": [{
 "id": 0,
 "name": "i08_Stations_Discrete_Grab_Water_Quality_Relationship",
 "catalogID": "{1165745D-D60B-4BAF-87B6-0D1FE2A4C71D}",
 "backwardPathLabel": "Stations_Water_Quality",
 "originLayerId": 0,
 "originPrimaryKey": "STATION_ID",
 "forwardPathLabel": "Stations_Water_Quality_POR",
 "destinationLayerId": 1,
 "originForeignKey": "STATION_ID",
 "rules": [],
 "cardinality": "esriRelCardinalityOneToMany",
 "attributed": false,
 "composite": false
}]}