ArcGIS REST Services Directory
JSON

Relationships : (Imagery/i10_Image_Service_Index)

{"relationships": [
 {
  "id": 0,
  "name": "i10_Image_Service_Index_to_Aerial_Photography_Elevation",
  "catalogID": "{4471A2C2-8F44-4CBA-911D-2904EC4BE37E}",
  "backwardPathLabel": "i10_Image_Service_Index",
  "originLayerId": 0,
  "originPrimaryKey": "Survey_ID",
  "forwardPathLabel": "i10_Image_Service_Index_Aerial_Photography_Elevation",
  "destinationLayerId": 1,
  "originForeignKey": "Survey_ID",
  "rules": [],
  "cardinality": "esriRelCardinalityOneToOne",
  "attributed": false,
  "composite": false
 },
 {
  "id": 1,
  "name": "i10_Image_Service_Index_to_Bathymetry",
  "catalogID": "{19063DE2-C708-403F-8993-BD42D62F20B6}",
  "backwardPathLabel": "i10_Image_Service_Index",
  "originLayerId": 0,
  "originPrimaryKey": "Survey_ID",
  "forwardPathLabel": "i10_Image_Service_Index_Bathymetry",
  "destinationLayerId": 3,
  "originForeignKey": "Survey_ID",
  "rules": [],
  "cardinality": "esriRelCardinalityOneToOne",
  "attributed": false,
  "composite": false
 },
 {
  "id": 2,
  "name": "i10_Image_Service_Index_to_AsBuilts_Design",
  "catalogID": "{F0FFB54F-631E-482C-9E9F-F254D493EC48}",
  "backwardPathLabel": "i10_Image_Service_Index",
  "originLayerId": 0,
  "originPrimaryKey": "Survey_ID",
  "forwardPathLabel": "i10_Image_Service_Index_AsBuilts_Design",
  "destinationLayerId": 2,
  "originForeignKey": "Survey_ID",
  "rules": [],
  "cardinality": "esriRelCardinalityOneToOne",
  "attributed": false,
  "composite": false
 }
]}