{
    "$schema": "http://json-schema.org/draft-04/schema#",
	
	"definitions": {

		"otherFields": {
			"description": "additional fields not reported elsewhere",
			"type": "array",
			"items":
				"$ref": "#/definitions/field"
			}
		},
		"requestError": {
			"description": "standard request error data structure",
			"type": "object",
			"properties": {
			    "messageId": {
					"description": "Unique message identifier of the format ABCnnnn where ABC is either SVC for Service Exceptions or POL for Policy Exception",
					"type": "string"
				},
				"text": {
					"description": "Message text, with replacement variables marked with %n, where n is an index into the list of <variables> elements, starting at 1",
					"type": "string"
				},
				"url": {
					"description": "Hyperlink to a detailed error resource e.g., an HTML page for browser user agents",
					"type": "string"
				},
				"variables": {
					"description": "List of zero or more strings that represent the contents of the variables used by the message text",
					"type": "string"
				}
			},
			"required": [ "messageId", "text" ]
		},
		"stateChangeFields": {
			"description": "stateChange fields",
			"type": "object",
			"properties": {
				"additionalFields": {
					"description": "additional stateChange fields if needed",
					"type": "array",
					"items": {
						"$ref": "#/definitions/field"
					}
				},
				"newState": {
					"description": "new state of the entity",
					"type": "string",
					"enum": [
						"inService",
						"maintenance",
						"outOfService"
					]
				},
				"oldState": {
					"description": "previous state of the entity",
					"type": "string",
					"enum": [
						"inService",
						"maintenance",
						"outOfService"
					]
				},
				"stateChangeFieldsVersion": {
					"description": "version of the stateChangeFields block",
					"type": "number"
				},
				"stateInterface": {
					"description": "card or port name of the entity that changed state",
					"type": "string"
				}
			},
			"required": [ "newState", "oldState", "stateInterface" ]
		},
		"suppressedNvPairs": {
			"description": "List of specific NvPairsNames to suppress within a given Name-Value Field for event Throttling",
			"type": "object",
			"properties": {
				"nvPairFieldName": {
					"description": "Name of the field within which are the nvpair names to suppress",
					"type": "string"
				},
				"suppressedNvPairNames": {
					"description": "Array of nvpair names to suppress within the nvpairFieldName",
			        "type": "array",
					"items": {
					    "type": "string"
					}
				}
			},
			"required": [ "nvPairFieldName", "suppressedNvPairNames" ]
		},
		"syslogFields": {
			"description": "sysLog fields",
			"type": "object",
			"properties": {
				"additionalFields": {
					"description": "additional syslog fields if needed",
					"type": "array",
					"items": {
						"$ref": "#/definitions/field"
					}
				},
				"eventSourceHost": {
					"description": "hostname of the device",
					"type": "string"
				},
				"eventSourceType": {
					"description": "type of event source; examples: other, router, switch, host, card, port, slotThreshold, portThreshold, virtualMachine, virtualNetworkFunction",
					"type": "string"
				},
				"syslogFacility": {
					"description": "numeric code from 0 to 23 for facility--see table in documentation",
					"type": "number"
				},
				"syslogFieldsVersion": {
					"description": "version of the syslogFields block",
					"type": "number"
				},
				"syslogMsg": {
					"description": "syslog message",
					"type": "string"
				},
				"syslogPri": {
					"description": "0-192 combined severity and facility",
					"type": "number"
				},
				"syslogProc": {
					"description": "identifies the application that originated the message",
					"type": "string"
				},
				"syslogProcId": {
					"description": "a change in the value of this field indicates a discontinuity in syslog reporting",
					"type": "number"
				},
				"syslogSData": {
					"description": "syslog structured data consisting of a structured data Id followed by a set of key value pairs",
					"type": "string"
				},
				"syslogSdId": {
					"description": "0-32 char in format name@number for example ourSDID@32473",
					"type": "string"
				},
				"syslogSev": {
					"description": "numerical Code for  severity derived from syslogPri as remaider of syslogPri / 8",
					"type": "string"
				},
				"syslogTag": {
					"description": "msgId indicating the type of message such as TCPOUT or TCPIN; NILVALUE should be used when no other value can be provided",
					"type": "string"
				},
				"syslogVer": {
					"description": "IANA assigned version of the syslog protocol specification - typically 1",
					"type": "number"
				}
			},
			"required": [ "eventSourceType", "syslogMsg", "syslogTag" ]
		},
		"thresholdCrossingAlertFields": {
			"description": "fields specific to threshold crossing alert events",
			"type": "object",
			"properties": {
				"additionalFields": {
					"description": "additional threshold crossing alert fields if needed",
					"type": "array",
					"items": {  
						"$ref": "#/definitions/field" 
					}
				},
				"additionalParameters": {
					"description": "performance counters",
					"type": "array",
					"items": {
						"$ref": "#/definitions/counter"
					}
				},
				"alertAction": {
					"description": "Event action",
					"type": "string",
					"enum": [
						"CLEAR",
						"CONT",
						"SET"
					]
				},
				"alertDescription": {
					"description": "Unique short alert description such as IF-SHUB-ERRDROP",
					"type": "string"
				},
				"alertType": {
					"description": "Event type",
					"type": "string",
					"enum": [
						"CARD-ANOMALY",
						"ELEMENT-ANOMALY",
						"INTERFACE-ANOMALY",
						"SERVICE-ANOMALY"
					]
				},
				"alertValue": {
					"description": "Calculated API value (if applicable)",
					"type": "string"
				},
				"associatedAlertIdList": {
					"description": "List of eventIds associated with the event being reported",
					"type": "array",
					"items": { "type": "string" }
				},
				"collectionTimestamp": {
					"description": "Time when the performance collector picked up the data; with RFC 2822 compliant format: Sat, 13 Mar 2010 11:29:05 -0800",
					"type": "string"
				},
				"dataCollector": {
					"description": "Specific performance collector instance used",
					"type": "string"
				},
				"elementType": {
					"description": "type of network element - internal ATT field",
					"type": "string"
				},
				"eventSeverity": {
					"description": "event severity or priority",
					"type": "string",
					"enum": [
						"CRITICAL",
						"MAJOR",
						"MINOR",
						"WARNING",
						"NORMAL"
					]
				},
				"eventStartTimestamp": {
					"description": "Time closest to when the measurement was made; with RFC 2822 compliant format: Sat, 13 Mar 2010 11:29:05 -0800",
					"type": "string"
				},
				"interfaceName": {
					"description": "Physical or logical port or card (if applicable)",
					"type": "string"
				},
				"networkService": {
					"description": "network name - internal ATT field",
					"type": "string"
				},
				"possibleRootCause": {
					"description": "Reserved for future use",
					"type": "string"
				},
				"thresholdCrossingFieldsVersion": {
					"description": "version of the thresholdCrossingAlertFields block",
					"type": "number"
				}
			},
			"required": [
				"additionalParameters",
				"alertAction",
				"alertDescription",
				"alertType",
				"collectionTimestamp",
				"eventSeverity",
				"eventStartTimestamp"
			]
		},
		"vNicUsage": {
			"description": "usage of identified virtual network interface card",
			"type": "object",
			"properties": {
				"broadcastPacketsIn": { "type": "number" },
				"broadcastPacketsOut": { "type": "number" },
				"bytesIn": { "type": "number" },
				"bytesOut": { "type": "number" },
				"multicastPacketsIn": { "type": "number" },
				"multicastPacketsOut": { "type": "number" },
				"packetsIn": { "type": "number" },
				"packetsOut": { "type": "number" },
				"unicastPacketsIn": { "type": "number" },
				"unicastPacketsOut": { "type": "number" },
				"vNicIdentifier": { "type": "string" }
			},
			"required": [ "bytesIn", "bytesOut", "packetsIn", "packetsOut", "vNicIdentifier"]
		}
	},
	"title": "Event Listener",
	"type": "object",
	"properties": {
        "event": {"$ref": "#/definitions/event"}
    }
}