external-reference.json

{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "definitions": {"external-reference": {
	"title":"ExternalRefererence",
        "type": "object",
        "description": "External references are used to describe pointers to information represented outside of MAEC. For example, a Malware Instance object could use an external reference to indicate an ID for that malware in an external database or a report could use references to represent source material.",
        "properties": {
        	"source_name": {
        		"type": "string",
        		"description": "The source within which the external-reference is defined (system, registry, organization, etc.)."
        	},
        	"description": {
        		"type": "string",
        		"description": "A human readable description."
        	},
        	"url": {
        		"type": "string",
        		"format": "uri",
        		"description": "A URL reference to an external resource [RFC3986]"
        	},
        	"external_id": {
        		"type": "string",
        		"description": "An indentifier for the external reference content."
        	}
        },
        "required": ["source_name"]
    }}
}