{
  "$schema": "http://json-schema.org/schema#", 
  "type": "object", 
  "description": "EventSource contains information for an event.", 
  "properties": {
    "host": {
      "type": [
        "string", 
        "null"
      ], 
      "description": "Node name on which the event is generated."
    }, 
    "component": {
      "type": [
        "string", 
        "null"
      ], 
      "description": "Component from which the event is generated."
    }
  }
}