In VMware Telco Cloud Service Assurance each metric type includes metadata that defines and describes the characteristics of each metric collected.

Following is the VMware Telco Cloud Service Assurance metric model and the corresponding UI validation schema:
Metric Model UI Validation Schema 
{
 "instance":"<String>",
 "metricType":"<String>",
 "timestamp":<Long>,
 "processedTimestamp":<Long>,
 "type":"<String>",
 "metrics":{
 "<String>":<Float>
 },
 "properties":{
 "<String>":"<String>"
 },
 "tags":{
 "<String>":"<String>"
 }
}
 
{
   "type":{
      "type":"string"
   },
   "instance":{
      "type":"string"
   },
   "timestamp":{
      "type":"string"
   },
   "processedTimestamp":{
      "type":"string"
   },
   "metrics":{
      "type":"object",
      "properties":{
         
      }
   },
   "metricType":{
      "type":"string"
   },
   "properties":{
      "type":"object",
      "properties":{
         "dataSource":{
            "type":"string"
         },
         "deviceType":{
            "type":"string"
         },
         "deviceName":{
            "type":"string"
         },
         "entityType":{
            "type":"string"
         },
         "entityName":{
            "type":"string"
         }
      }
   }
}

Following table lists the JSON definition table for the standard parameters within each metric:

Field Context Format Description
Instance All String Instance name of the object to which these metrics are associated with.
MetricType All String Type of the metrics.
Timestamp All Long Timestamp in epoch milliseconds when the metric was collected.
ProcessedTimestamp All Long Timestamp in epoch milliseconds when the metric from the underlying source was processed.
Type All String Type of the instance or object to which these metrics are associated with.
Metrics All Object Set of Key-Value pairs of type String-Float, representing the metric name and metric value respectively.
Properties All Object Set of Key-Value pairs of type String-String, representing the name and value of properties associated with the metrics.
Tags All Object Set of Key-Value pairs of type String-String, representing the name and value of tags associated with the metrics.