keystone/docs/guide/src/docbkx/samples/definedpermissions.json

{
  "defined": {
    "permission": [
      {
        "permissionId": "addCustomer",
        "customerId": "RCN-000-000-000",
        "clientId": "IDM"
      },
      {
        "permissionId": "getCustomer",
        "customerId": "RCN-000-000-000",
        "clientId": "IDM"
      }
    ]
  }
}