COV Message

As mentioned above if a point is subscribed it pushes data only when the value gets changed. It uses the publish type 3. Agent publishes this message whenever there is a change in the value.

COV

Sample

{      "agent": "agent-name",      "controller":{            "name": "controller-name-1"      }      "data":[               {                   "point-name-1":10.0                }       ],      "controllerType": 0,      "timestamp": 1592837420,      "publishType": 3}

Schema

{  "$schema": "http://json-schema.org/draft-07/schema#",  "type": "object",  "properties": {    "agent": {      "type": "string",      "description": "Name of the agent"    },    "controller": {      "type": "object",      "description": "This object depends on the controller type",      "properties": {        "name": {          "type": "string",          "description": "Name of the controller"        }      },      "required": ["name"]    },    "data": {      "type": "array",      "items": [        {          "type": "object",          "description": "The data array has only one element containing point name and its value as key value pairs"        }      ]    },    "controllerType": {      "type": "integer",      "description": "Controller Type enum",      "const": 0    },    "publishType": {      "type": "integer",      "description": "Publish Type enum",      "const": 3    },    "timestamp": {      "type": "integer",      "description": "timestamp in milliseconds"    }  },  "required": [    "agent",    "controller",    "data",    "controllerType",    "publishType",    "timestamp"  ]}