Manitoba Hydro · Schema

Manitoba Hydro — MH Locate Areas (feature attributes)

Attribute schema for a single feature returned by layer 1 of the MH_AdminBoundaries feature service. Note that inserted_by and updated_by carry internal staff usernames; do not republish those values.

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Properties

Name	Type	Description
id	integernull	ArcGIS field type esriFieldTypeInteger.
description	stringnull	ArcGIS field type esriFieldTypeString.
inserted_by	stringnull	ArcGIS field type esriFieldTypeString.
date_inserted	integernull	ArcGIS field type esriFieldTypeDate. Returned as epoch milliseconds (UTC), not an ISO 8601 string.
updated_by	stringnull	ArcGIS field type esriFieldTypeString.
date_updated	integernull	ArcGIS field type esriFieldTypeDate. Returned as epoch milliseconds (UTC), not an ISO 8601 string.
service_grids	stringnull	ArcGIS field type esriFieldTypeString.
fme_db_operation	stringnull	ArcGIS field type esriFieldTypeString.
OBJECTID	integer	ArcGIS field type esriFieldTypeOID.
LOCA_NAME	stringnull	ArcGIS field type esriFieldTypeString.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/manitoba-hydro/refs/heads/main/json-schema/manitoba-hydro-locate-areas.schema.json",
  "title": "Manitoba Hydro \u2014 MH Locate Areas (feature attributes)",
  "description": "Attribute schema for a single feature returned by layer 1 of the MH_AdminBoundaries feature service. Note that inserted_by and updated_by carry internal staff usernames; do not republish those values.",
  "x-apievangelist": {
    "generated": "2026-07-27",
    "method": "derived",
    "source": "https://maps.hydro.mb.ca/arcgis/rest/services/ReferenceData/MH_AdminBoundaries/FeatureServer/1?f=json",
    "note": "Derived from the live Esri layer metadata (?f=json) captured 2026-07-27. Manitoba Hydro publishes no schema for this layer; this document models the attributes block of a query response feature."
  },
  "type": "object",
  "properties": {
    "id": {
      "title": "id",
      "description": "ArcGIS field type esriFieldTypeInteger.",
      "type": [
        "integer",
        "null"
      ]
    },
    "description": {
      "title": "description",
      "description": "ArcGIS field type esriFieldTypeString.",
      "type": [
        "string",
        "null"
      ],
      "maxLength": 41
    },
    "inserted_by": {
      "title": "inserted_by",
      "description": "ArcGIS field type esriFieldTypeString.",
      "type": [
        "string",
        "null"
      ],
      "maxLength": 11
    },
    "date_inserted": {
      "title": "date_inserted",
      "description": "ArcGIS field type esriFieldTypeDate. Returned as epoch milliseconds (UTC), not an ISO 8601 string.",
      "type": [
        "integer",
        "null"
      ],
      "x-esri-format": "epoch-milliseconds"
    },
    "updated_by": {
      "title": "updated_by",
      "description": "ArcGIS field type esriFieldTypeString.",
      "type": [
        "string",
        "null"
      ],
      "maxLength": 11
    },
    "date_updated": {
      "title": "date_updated",
      "description": "ArcGIS field type esriFieldTypeDate. Returned as epoch milliseconds (UTC), not an ISO 8601 string.",
      "type": [
        "integer",
        "null"
      ],
      "x-esri-format": "epoch-milliseconds"
    },
    "service_grids": {
      "title": "service_grids",
      "description": "ArcGIS field type esriFieldTypeString.",
      "type": [
        "string",
        "null"
      ],
      "maxLength": 255
    },
    "fme_db_operation": {
      "title": "fme_db_operation",
      "description": "ArcGIS field type esriFieldTypeString.",
      "type": [
        "string",
        "null"
      ],
      "maxLength": 10
    },
    "OBJECTID": {
      "title": "OBJECTID",
      "description": "ArcGIS field type esriFieldTypeOID.",
      "type": "integer"
    },
    "LOCA_NAME": {
      "title": "LOCA_NAME",
      "description": "ArcGIS field type esriFieldTypeString.",
      "type": [
        "string",
        "null"
      ],
      "maxLength": 6
    }
  },
  "required": [
    "OBJECTID"
  ],
  "additionalProperties": false
}