ArcGIS REST Services Directory
JSON

Relationships : (Wildlife/BLM_CA_Wild_Horse_and_Burro)

{"relationships": [{
 "id": 0,
 "name": "whb_hma_docs_rel",
 "catalogID": "{9EFFA4F8-1C97-4AF3-A5CB-59B8D2481730}",
 "backwardPathLabel": "whb_hma_poly",
 "originLayerId": 1,
 "originPrimaryKey": "HMA_ID",
 "forwardPathLabel": "whb_hma_docs_tbl",
 "destinationLayerId": 2,
 "originForeignKey": "HMA_ID",
 "rules": [],
 "cardinality": "esriRelCardinalityOneToMany",
 "attributed": false,
 "composite": true
}]}