{
 "relationships": [
  {
   "id": 0,
   "name": "MailboxIssueRelate",
   "backwardPathLabel": "MailboxIssue",
   "originLayerId": 0,
   "originPrimaryKey": "GlobalID_1",
   "forwardPathLabel": "MailboxIssueComment",
   "destinationLayerId": 1,
   "originForeignKey": "Guid",
   "rules": [],
   "cardinality": "esriRelCardinalityOneToMany",
   "attributed": false,
   "composite": true
  }
 ]
}