{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schema.azure.com/monitor/metric-definition.json",
  "title": "Azure Monitor Metric Definition",
  "description": "Represents a metric definition describing a metric that is available for an Azure resource, including its name, unit, available aggregation types, and time granularities.",
  "type": "object",
  "properties": {
    "isDimensionRequired": {
      "type": "boolean",
      "description": "Flag to indicate whether the dimension is required."
    },
    "resourceId": {
      "type": "string",
      "description": "The resource identifier of the resource that emitted the metric."
    },
    "namespace": {
      "type": "string",
      "description": "The namespace the metric belongs to."
    },
    "name": {
      "$ref": "#/$defs/LocalizableString",
      "description": "The name information for the metric."
    },
    "displayDescription": {
      "type": "string",
      "description": "Detailed description of this metric."
    },
    "category": {
      "type": "string",
      "description": "Custom category name for this metric."
    },
    "metricClass": {
      "type": "string",
      "enum": ["Availability", "Transactions", "Errors", "Latency", "Saturation"],
      "description": "The class of the metric."
    },
    "unit": {
      "type": "string",
      "enum": [
        "Count", "Bytes", "Seconds", "CountPerSecond", "BytesPerSecond",
        "Percent", "MilliSeconds", "ByteSeconds", "Unspecified",
        "Cores", "MilliCores", "NanoCores", "BitsPerSecond"
      ],
      "description": "The unit of the metric."
    },
    "primaryAggregationType": {
      "type": "string",
      "enum": ["None", "Average", "Count", "Minimum", "Maximum", "Total"],
      "description": "The primary aggregation type value defining how to use the values for display."
    },
    "supportedAggregationTypes": {
      "type": "array",
      "items": {
        "type": "string",
        "enum": ["None", "Average", "Count", "Minimum", "Maximum", "Total"]
      },
      "description": "The collection of what aggregation types are supported."
    },
    "metricAvailabilities": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/MetricAvailability"
      },
      "description": "The collection of what aggregation intervals are available to be queried."
    },
    "id": {
      "type": "string",
      "description": "The resource identifier of the metric definition."
    },
    "dimensions": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/LocalizableString"
      },
      "description": "The available dimensions for this metric."
    }
  },
  "$defs": {
    "LocalizableString": {
      "type": "object",
      "required": ["value"],
      "properties": {
        "value": {
          "type": "string",
          "description": "The invariant value."
        },
        "localizedValue": {
          "type": "string",
          "description": "The locale-specific display name."
        }
      }
    },
    "MetricAvailability": {
      "type": "object",
      "properties": {
        "timeGrain": {
          "type": "string",
          "description": "The time grain specifies the aggregation interval for the metric in ISO 8601 duration format."
        },
        "retention": {
          "type": "string",
          "description": "The retention period for the metric at the specified time grain in ISO 8601 duration format."
        }
      }
    }
  }
}