Microsoft Azure Live Metrics APIs for Client Sdks

Microsoft Azure Live Metrics Rest APIs for Client SDKs allows developers to easily access and monitor real-time performance metrics of their applications running on Azure. By leveraging these APIs, developers can retrieve information such as CPU usage, memory utilization, and network latency, giving them valuable insights into the health and performance of their applications.

OpenAPI Specification

live-metrics-rest-apis-for-client-sdks-openapi-original.yml Raw ↑
swagger: '2.0'
info:
  title: Microsoft Azure Live Metrics REST APIs for client SDKs.
  version: 2024-04-01-preview
  description: Live Metrics REST APIs.
  x-typespec-generated:
    - emitter: '@azure-tools/typespec-autorest'
schemes:
  - https
x-ms-parameterized-host:
  hostTemplate: '{endpoint}'
  useSchemePrefix: false
  parameters:
    - name: endpoint
      in: path
      description: The endpoint of the Live Metrics service.
      required: true
      type: string
      default: https://global.livediagnostics.monitor.azure.com
produces:
  - application/json
consumes:
  - application/json
security:
  - OAuth2Auth:
      - https://monitor.azure.com/.default
securityDefinitions:
  OAuth2Auth:
    type: oauth2
    flow: implicit
    authorizationUrl: https://login.microsoftonline.com/common/oauth2/authorize
    scopes:
      https://monitor.azure.com/.default: ''
tags:
  - name: QuickPulseService
paths:
  /QuickPulseService.svc/ping:
    post:
      operationId: microsoftAzureIssubscribed
      description: >-
        Determine whether there is any subscription to the metrics and
        documents.
      parameters:
        - $ref: '#/parameters/Azure.Core.Foundations.ApiVersionParameter'
        - $ref: '#/parameters/IsSubscribedOperationRequestParameters.ikey'
        - $ref: '#/parameters/IsSubscribedOperationRequestParameters.transmissionTime'
        - $ref: '#/parameters/IsSubscribedOperationRequestParameters.machineName'
        - $ref: '#/parameters/IsSubscribedOperationRequestParameters.instanceName'
        - $ref: '#/parameters/IsSubscribedOperationRequestParameters.streamId'
        - $ref: '#/parameters/IsSubscribedOperationRequestParameters.roleName'
        - $ref: '#/parameters/IsSubscribedOperationRequestParameters.invariantVersion'
        - $ref: >-
            #/parameters/IsSubscribedOperationRequestParameters.configurationEtag
        - $ref: >-
            #/parameters/IsSubscribedOperationRequestParameters.monitoringDataPoint
      responses:
        '200':
          description: The request has succeeded.
          schema:
            $ref: '#/definitions/CollectionConfigurationInfo'
          headers:
            x-ms-qps-configuration-etag:
              type: string
              description: >-
                An encoded string that indicates whether the collection
                configuration is changed.
            x-ms-qps-service-endpoint-redirect-v2:
              type: string
              description: >-
                Contains a URI of the service endpoint that the client must
                permanently use for the particular resource. This header exists
                only when the client is talking to Live Metrics global endpoint.
            x-ms-qps-service-polling-interval-hint:
              type: string
              description: >-
                Recommended time (in milliseconds) before the client should ping
                the service again. This header exists only when the
                instrumentation key is not subscribed to.
            x-ms-qps-subscribed:
              type: string
              description: >-
                A boolean flag indicating whether there are active user sessions
                'watching' the instrumentation key. If true, the client must
                start collecting data and posting it to Live Metrics. Otherwise,
                the client must keep pinging.
        default:
          description: An unexpected error response.
          schema:
            $ref: '#/definitions/ServiceError'
      x-ms-examples:
        Live Metrics client checks if its data is subscribed to.:
          $ref: ./examples/LiveMetrics_IsSubscribed.json
      summary: Microsoft Azure Post Quickpulseservice Svc Ping
      tags:
        - QuickPulseService
  /QuickPulseService.svc/post:
    post:
      operationId: microsoftAzurePublish
      description: >-
        Publish live metrics to the Live Metrics service when there is an active
        subscription to the metrics.
      parameters:
        - $ref: '#/parameters/Azure.Core.Foundations.ApiVersionParameter'
        - $ref: '#/parameters/PublishOperationRequestParameters.ikey'
        - $ref: '#/parameters/PublishOperationRequestParameters.configurationEtag'
        - $ref: '#/parameters/PublishOperationRequestParameters.transmissionTime'
        - $ref: '#/parameters/PublishOperationRequestParameters.monitoringDataPoints'
      responses:
        '200':
          description: The request has succeeded.
          schema:
            $ref: '#/definitions/CollectionConfigurationInfo'
          headers:
            x-ms-qps-configuration-etag:
              type: string
              description: >-
                An encoded string that indicates whether the collection
                configuration is changed.
            x-ms-qps-subscribed:
              type: string
              description: >-
                Tells the client whether the input instrumentation key is
                subscribed to.
        default:
          description: An unexpected error response.
          schema:
            $ref: '#/definitions/ServiceError'
      x-ms-examples:
        Live Metrics client publishes live metrics:
          $ref: ./examples/LiveMetrics_Publish.json
      summary: Microsoft Azure Post Quickpulseservice Svc Post
      tags:
        - QuickPulseService
definitions:
  AggregationType:
    type: string
    description: Aggregation type.
    enum:
      - Avg
      - Sum
      - Min
      - Max
    x-ms-enum:
      name: AggregationType
      modelAsString: true
      values:
        - name: Avg
          value: Avg
          description: Average
        - name: Sum
          value: Sum
          description: Sum
        - name: Min
          value: Min
          description: Minimum
        - name: Max
          value: Max
          description: Maximum
  CollectionConfigurationError:
    type: object
    description: >-
      Represents an error while SDK parses and applies an instance of
      CollectionConfigurationInfo.
    properties:
      CollectionConfigurationErrorType:
        $ref: '#/definitions/CollectionConfigurationErrorType'
        description: Error type.
      Message:
        type: string
        description: Error message.
      FullException:
        type: string
        description: Exception that led to the creation of the configuration error.
      Data:
        type: array
        description: Custom properties to add more information to the error.
        items:
          $ref: '#/definitions/KeyValuePairStringString'
        x-ms-identifiers: []
    required:
      - CollectionConfigurationErrorType
      - Message
      - FullException
      - Data
  CollectionConfigurationErrorType:
    type: string
    description: Collection configuration error type reported by the client SDK.
    enum:
      - Unknown
      - PerformanceCounterParsing
      - PerformanceCounterUnexpected
      - PerformanceCounterDuplicateIds
      - DocumentStreamDuplicateIds
      - DocumentStreamFailureToCreate
      - DocumentStreamFailureToCreateFilterUnexpected
      - MetricDuplicateIds
      - MetricTelemetryTypeUnsupported
      - MetricFailureToCreate
      - MetricFailureToCreateFilterUnexpected
      - FilterFailureToCreateUnexpected
      - CollectionConfigurationFailureToCreateUnexpected
    x-ms-enum:
      name: CollectionConfigurationErrorType
      modelAsString: true
      values:
        - name: Unknown
          value: Unknown
          description: Unknown error type.
        - name: PerformanceCounterParsing
          value: PerformanceCounterParsing
          description: Performance counter parsing error.
        - name: PerformanceCounterUnexpected
          value: PerformanceCounterUnexpected
          description: Performance counter unexpected error.
        - name: PerformanceCounterDuplicateIds
          value: PerformanceCounterDuplicateIds
          description: Performance counter duplicate ids.
        - name: DocumentStreamDuplicateIds
          value: DocumentStreamDuplicateIds
          description: Document stream duplication ids.
        - name: DocumentStreamFailureToCreate
          value: DocumentStreamFailureToCreate
          description: Document stream failed to create.
        - name: DocumentStreamFailureToCreateFilterUnexpected
          value: DocumentStreamFailureToCreateFilterUnexpected
          description: Document stream failed to create filter unexpectedly.
        - name: MetricDuplicateIds
          value: MetricDuplicateIds
          description: Metric duplicate ids.
        - name: MetricTelemetryTypeUnsupported
          value: MetricTelemetryTypeUnsupported
          description: Metric telemetry type unsupported.
        - name: MetricFailureToCreate
          value: MetricFailureToCreate
          description: Metric failed to create.
        - name: MetricFailureToCreateFilterUnexpected
          value: MetricFailureToCreateFilterUnexpected
          description: Metric failed to create filter unexpectedly.
        - name: FilterFailureToCreateUnexpected
          value: FilterFailureToCreateUnexpected
          description: Filter failed to create unexpectedly.
        - name: CollectionConfigurationFailureToCreateUnexpected
          value: CollectionConfigurationFailureToCreateUnexpected
          description: Collection configuration failed to create unexpectedly.
  CollectionConfigurationInfo:
    type: object
    description: >-
      Represents the collection configuration - a customizable description of
      performance counters, metrics, and full telemetry documents to be
      collected by the client SDK.
    properties:
      ETag:
        type: string
        description: >-
          An encoded string that indicates whether the collection configuration
          is changed.
      Metrics:
        type: array
        description: An array of metric configuration info.
        items:
          $ref: '#/definitions/DerivedMetricInfo'
        x-ms-identifiers: []
      DocumentStreams:
        type: array
        description: An array of document stream configuration info.
        items:
          $ref: '#/definitions/DocumentStreamInfo'
        x-ms-identifiers: []
      QuotaInfo:
        $ref: '#/definitions/QuotaConfigurationInfo'
        description: Controls document quotas to be sent to Live Metrics.
    required:
      - ETag
      - Metrics
      - DocumentStreams
  DerivedMetricInfo:
    type: object
    description: A metric configuration set by UX to scope the metrics it's interested in.
    properties:
      Id:
        type: string
        description: metric configuration identifier.
      TelemetryType:
        type: string
        description: Telemetry type.
      FilterGroups:
        type: array
        description: A collection of filters to scope metrics that UX needs.
        items:
          $ref: '#/definitions/FilterConjunctionGroupInfo'
        x-ms-identifiers: []
      Projection:
        type: string
        description: >-
          Telemetry's metric dimension whose value is to be aggregated. Example
          values: Duration, Count(),...
      Aggregation:
        $ref: '#/definitions/AggregationType'
        description: >-
          Aggregation type. This is the aggregation done from everything within
          a single server.
      BackEndAggregation:
        $ref: '#/definitions/AggregationType'
        description: >-
          Aggregation type. This Aggregation is done across the values for all
          the servers taken together.
    required:
      - Id
      - TelemetryType
      - FilterGroups
      - Projection
      - Aggregation
      - BackEndAggregation
  DocumentFilterConjunctionGroupInfo:
    type: object
    description: A collection of filters for a specific telemetry type.
    properties:
      TelemetryType:
        $ref: '#/definitions/TelemetryType'
        description: Telemetry type.
      Filters:
        $ref: '#/definitions/FilterConjunctionGroupInfo'
        description: An array of filter groups.
    required:
      - TelemetryType
      - Filters
  DocumentIngress:
    type: object
    description: Base class of the specific document types.
    properties:
      DocumentType:
        $ref: '#/definitions/DocumentType'
        description: >-
          Telemetry type. Types not defined in enum will get replaced with a
          'Unknown' type.
      DocumentStreamIds:
        type: array
        description: >-
          An array of document streaming ids. Each id identifies a flow of
          documents customized by UX customers.
        items:
          type: string
      Properties:
        type: array
        description: Collection of custom properties.
        items:
          $ref: '#/definitions/KeyValuePairStringString'
        x-ms-identifiers: []
    discriminator: DocumentType
    required:
      - DocumentType
  DocumentStreamInfo:
    type: object
    description: >-
      Configurations/filters set by UX to scope the document/telemetry it's
      interested in.
    properties:
      Id:
        type: string
        description: Identifier of the document stream initiated by a UX.
      DocumentFilterGroups:
        type: array
        description: Gets or sets an OR-connected collection of filter groups.
        items:
          $ref: '#/definitions/DocumentFilterConjunctionGroupInfo'
        x-ms-identifiers: []
    required:
      - Id
      - DocumentFilterGroups
  DocumentType:
    type: string
    description: Document type
    enum:
      - Request
      - RemoteDependency
      - Exception
      - Event
      - Trace
      - Unknown
    x-ms-enum:
      name: DocumentType
      modelAsString: true
      values:
        - name: Request
          value: Request
          description: Represents a request telemetry type.
        - name: RemoteDependency
          value: RemoteDependency
          description: Represents a remote dependency telemetry type.
        - name: Exception
          value: Exception
          description: Represents an exception telemetry type.
        - name: Event
          value: Event
          description: Represents an event telemetry type.
        - name: Trace
          value: Trace
          description: Represents a trace telemetry type.
        - name: Unknown
          value: Unknown
          description: Represents an unknown telemetry type.
  Event:
    type: object
    description: Event document type.
    properties:
      Name:
        type: string
        description: Event name.
        maxLength: 512
    allOf:
      - $ref: '#/definitions/DocumentIngress'
    x-ms-discriminator-value: Event
  Exception:
    type: object
    description: Exception document type.
    properties:
      ExceptionType:
        type: string
        description: Exception type name.
        maxLength: 1024
      ExceptionMessage:
        type: string
        description: Exception message.
        maxLength: 32768
    allOf:
      - $ref: '#/definitions/DocumentIngress'
    x-ms-discriminator-value: Exception
  FilterConjunctionGroupInfo:
    type: object
    description: An AND-connected group of FilterInfo objects.
    properties:
      Filters:
        type: array
        description: An array of filters.
        items:
          $ref: '#/definitions/FilterInfo'
        x-ms-identifiers: []
    required:
      - Filters
  FilterInfo:
    type: object
    description: A filter set on UX
    properties:
      FieldName:
        type: string
        description: dimension name of the filter
      Predicate:
        $ref: '#/definitions/PredicateType'
        description: Operator of the filter
      Comparand:
        type: string
        description: Comparand of the filter
    required:
      - FieldName
      - Predicate
      - Comparand
  KeyValuePairStringString:
    type: object
    description: Key-value pair of string and string.
    properties:
      key:
        type: string
        description: Key of the key-value pair.
      value:
        type: string
        description: Value of the key-value pair.
    required:
      - key
      - value
  MetricPoint:
    type: object
    description: Metric data point.
    properties:
      Name:
        type: string
        description: Metric name.
      Value:
        type: number
        format: double
        description: Metric value.
      Weight:
        type: integer
        format: int32
        description: Metric weight.
    required:
      - Name
      - Value
      - Weight
  MonitoringDataPoint:
    type: object
    description: >-
      Monitoring data point coming from the client, which includes metrics,
      documents and other metadata info.
    properties:
      Version:
        type: string
        description: Application Insights SDK version.
      InvariantVersion:
        type: integer
        format: int32
        description: >-
          Version/generation of the data contract (MonitoringDataPoint) between
          SDK and Live Metrics.
      Instance:
        type: string
        description: Service instance name where Application Insights SDK lives.
      RoleName:
        type: string
        description: Service role name.
      MachineName:
        type: string
        description: Computer name where Application Insights SDK lives.
      StreamId:
        type: string
        description: >-
          Identifies an Application Insights SDK as a trusted agent to report
          metrics and documents.
      Timestamp:
        type: string
        format: date-time
        description: Data point generation timestamp.
      TransmissionTime:
        type: string
        format: date-time
        description: >-
          Timestamp when the client transmits the metrics and documents to Live
          Metrics.
      IsWebApp:
        type: boolean
        description: True if the current application is an Azure Web App.
      PerformanceCollectionSupported:
        type: boolean
        description: True if performance counters collection is supported.
      Metrics:
        type: array
        description: An array of metric data points.
        items:
          $ref: '#/definitions/MetricPoint'
        x-ms-identifiers: []
      Documents:
        type: array
        description: >-
          An array of documents of a specific type {Request},
          {RemoteDependency}, {Exception}, {Event}, or {Trace}
        items:
          $ref: '#/definitions/DocumentIngress'
        x-ms-identifiers: []
      TopCpuProcesses:
        type: array
        description: An array of top cpu consumption data point.
        items:
          $ref: '#/definitions/ProcessCpuData'
        x-ms-identifiers: []
      CollectionConfigurationErrors:
        type: array
        description: >-
          An array of error while SDK parses and applies the
          {CollectionConfigurationInfo} provided by Live Metrics.
        items:
          $ref: '#/definitions/CollectionConfigurationError'
        x-ms-identifiers: []
    required:
      - Version
      - InvariantVersion
      - Instance
      - RoleName
      - MachineName
      - StreamId
      - IsWebApp
      - PerformanceCollectionSupported
  PredicateType:
    type: string
    description: Enum representing the different types of predicates.
    enum:
      - Equal
      - NotEqual
      - LessThan
      - GreaterThan
      - LessThanOrEqual
      - GreaterThanOrEqual
      - Contains
      - DoesNotContain
    x-ms-enum:
      name: PredicateType
      modelAsString: true
      values:
        - name: Equal
          value: Equal
          description: Represents an equality predicate.
        - name: NotEqual
          value: NotEqual
          description: Represents a not-equal predicate.
        - name: LessThan
          value: LessThan
          description: Represents a less-than predicate.
        - name: GreaterThan
          value: GreaterThan
          description: Represents a greater-than predicate.
        - name: LessThanOrEqual
          value: LessThanOrEqual
          description: Represents a less-than-or-equal predicate.
        - name: GreaterThanOrEqual
          value: GreaterThanOrEqual
          description: Represents a greater-than-or-equal predicate.
        - name: Contains
          value: Contains
          description: Represents a contains predicate.
        - name: DoesNotContain
          value: DoesNotContain
          description: Represents a does-not-contain predicate.
  ProcessCpuData:
    type: object
    description: CPU consumption datapoint.
    properties:
      ProcessName:
        type: string
        description: Process name.
      CpuPercentage:
        type: integer
        format: int32
        description: CPU consumption percentage.
    required:
      - ProcessName
      - CpuPercentage
  QuotaConfigurationInfo:
    type: object
    description: Controls document quotas to be sent to Live Metrics.
    properties:
      InitialQuota:
        type: number
        format: float
        description: Initial quota
      MaxQuota:
        type: number
        format: float
        description: Max quota
      QuotaAccrualRatePerSec:
        type: number
        format: float
        description: Quota accrual rate per second
    required:
      - MaxQuota
      - QuotaAccrualRatePerSec
  RemoteDependency:
    type: object
    description: RemoteDependency document type.
    properties:
      Name:
        type: string
        description: >-
          Name of the command initiated with this dependency call, e.g., GET
          /username.
        maxLength: 1024
      CommandName:
        type: string
        description: >-
          URL of the dependency call to the target, with all query string
          parameters.
        maxLength: 2048
      ResultCode:
        type: string
        description: >-
          Result code of a dependency call. Examples are SQL error code and HTTP
          status code.
        maxLength: 1024
      Duration:
        type: string
        description: >-
          Request duration in ISO 8601 duration format, i.e.,
          P[n]Y[n]M[n]DT[n]H[n]M[n]S or P[n]W.
    allOf:
      - $ref: '#/definitions/DocumentIngress'
    x-ms-discriminator-value: RemoteDependency
  Request:
    type: object
    description: Request document type.
    properties:
      Name:
        type: string
        description: Name of the request, e.g., 'GET /values/{id}'.
        maxLength: 1024
      Url:
        type: string
        format: uri
        description: Request URL with all query string parameters.
        maxLength: 2048
      ResponseCode:
        type: string
        description: >-
          Result of a request execution. For http requests, it could be some
          HTTP status code.
        maxLength: 1024
      Duration:
        type: string
        description: >-
          Request duration in ISO 8601 duration format, i.e.,
          P[n]Y[n]M[n]DT[n]H[n]M[n]S or P[n]W.
    allOf:
      - $ref: '#/definitions/DocumentIngress'
    x-ms-discriminator-value: Request
  ServiceError:
    type: object
    description: >-
      Optional http response body, whose existence carries additional error
      descriptions.
    properties:
      RequestId:
        type: string
        description: >-
          A globally unique identifier to identify the diagnostic context. It
          defaults to the empty GUID.
        default: 00000000-0000-0000-0000-000000000000
      ResponseDateTime:
        type: string
        description: Service error response date time.
      Code:
        type: string
        description: Error code.
      Message:
        type: string
        description: Error message.
      Exception:
        type: string
        description: Message of the exception that triggers the error response.
    required:
      - RequestId
      - ResponseDateTime
      - Code
      - Message
      - Exception
  TelemetryType:
    type: string
    description: Telemetry type.
    enum:
      - Request
      - Dependency
      - Exception
      - Event
      - Metric
      - PerformanceCounter
      - Trace
    x-ms-enum:
      name: TelemetryType
      modelAsString: true
      values:
        - name: Request
          value: Request
          description: Represents a request telemetry type.
        - name: Dependency
          value: Dependency
          description: Represents a dependency telemetry type.
        - name: Exception
          value: Exception
          description: Represents an exception telemetry type.
        - name: Event
          value: Event
          description: Represents an event telemetry type.
        - name: Metric
          value: Metric
          description: Represents a metric telemetry type.
        - name: PerformanceCounter
          value: PerformanceCounter
          description: Represents a performance counter telemetry type.
        - name: Trace
          value: Trace
          description: Represents a trace telemetry type.
  Trace:
    type: object
    description: Trace document type.
    properties:
      Message:
        type: string
        description: Trace message.
        maxLength: 32768
    allOf:
      - $ref: '#/definitions/DocumentIngress'
    x-ms-discriminator-value: Trace
parameters:
  Azure.Core.Foundations.ApiVersionParameter:
    name: api-version
    in: query
    description: The API version to use for this operation.
    required: true
    type: string
    minLength: 1
    x-ms-parameter-location: method
    x-ms-client-name: apiVersion
  IsSubscribedOperationRequestParameters.configurationEtag:
    name: x-ms-qps-configuration-etag
    in: header
    description: >-
      An encoded string that indicates whether the collection configuration is
      changed.
    required: false
    type: string
    x-ms-parameter-location: method
    x-ms-client-name: configurationEtag
  IsSubscribedOperationRequestParameters.ikey:
    name: ikey
    in: query
    description: >-
      The instrumentation key of the target Application Insights component for
      which the client checks whether there's any subscription to it.
    required: true
    type: string
    x-ms-parameter-location: method
  IsSubscribedOperationRequestParameters.instanceName:
    name: x-ms-qps-instance-name
    in: header
    description: >-
      Service instance name where Application Insights SDK lives. Live Metrics
      uses machine name with instance name as a backup.
    required: false
    type: string
    x-ms-parameter-location: method
    x-ms-client-name: instanceName
  IsSubscribedOperationRequestParameters.invariantVersion:
    name: x-ms-qps-invariant-version
    in: header
    description: >-
      Version/generation of the data contract (MonitoringDataPoint) between the
      client and Live Metrics.
    required: false
    type: string
    x-ms-parameter-location: method
    x-ms-client-name: invariantVersion
  IsSubscribedOperationRequestParameters.machineName:
    name: x-ms-qps-machine-name
    in: header
    description: >-
      Computer name where Application Insights SDK lives. Live Metrics uses
      machine name with instance name as a backup.
    required: false
    type: string
    x-ms-parameter-location: method
    x-ms-client-name: machineName
  IsSubscribedOperationRequestParameters.monitoringDataPoint:
    name: monitoringDataPoint
    in: body
    description: >-
      Data contract between Application Insights client SDK and Live Metrics.
      /QuickPulseService.svc/ping uses this as a backup source of machine name,
      instance name and invariant version.
    required: false
    schema:
      $ref: '#/definitions/MonitoringDataPoint'
    x-ms-parameter-location: method
  IsSubscribedOperationRequestParameters.roleName:
    name: x-ms-qps-role-name
    in: header
    description: Cloud role name of the service.
    required: false
    type: string
    x-ms-parameter-location: method
    x-ms-client-name: roleName
  IsSubscribedOperationRequestParameters.streamId:
    name: x-ms-qps-stream-id
    in: header
    description: >-
      Identifies an Application Insights SDK as trusted agent to report metrics
      and documents.
    required: false
    type: string
    x-ms-parameter-location: method
    x-ms-client-name: streamId
  IsSubscribedOperationRequestParameters.transmissionTime:
    name: x-ms-qps-transmission-time
    in: header
    description: >-
      Timestamp when the client transmits the metrics and documents to Live
      Metrics. A 8-byte long type of ticks.
    required: false
    type: integer
    format: int64
    x-ms-parameter-location: method
    x-ms-client-name: transmissionTime
  PublishOperationRequestParameters.configurationEtag:
    name: x-ms-qps-configuration-etag
    in: header
    description: >-
      An encoded string that indicates whether the collection configuration is
      changed.
    required: false
    type: string
    x-ms-parameter-location: method
    x-ms-client-name: configurationEtag
  PublishOperationRequestParameters.ikey:
    name: ikey
    in: query
    description: >-
      The instrumentation key of the target Application Insights component for
      which the client checks whether there's any subscription to it.
    required: true
    type: string
    x-ms-parameter-location: method
  PublishOperationRequestParameters.monitoringDataPoints:
    name: monitoringDataPoints
    in: body
    description: >-
      Data contract between the client and Live Metrics.
      /QuickPulseService.svc/ping uses this as a backup source of machine name,
      instance name and invariant version.
    required: false
    schema:
      type: array
      items:
        $ref: '#/definitions/MonitoringDataPoint'
      x-ms-identifiers: []
    x-ms-parameter-location: method
  PublishOperationRequestParameters.transmissionTime:
    name: x-ms-qps-transmission-time
    in: header
    description: >-
      Timestamp when the client transmits the metrics and documents to Live
      Metrics. A 8-byte long type of ticks.
    required: false
    type: integer
    format: int64
    x-ms-parameter-location: method
    x-ms-client-name: transmissionTime