{
	"$schema" : "http://json-schema.org/draft-04/schema#",
	"additionalProperties" : false,
	"description" : "v1 of user dimension Item Mark object",
	"properties" : {
		"is_removed" : {
			"type" : "boolean",
			"description" : "Tells if the mark is still active or user removed this mark"
		},

		"marked_utc_timestamp" : {
			"type" : "integer",
			"description" : "Last modified timestamp of the item mark"
		},

		"marker_id" : {
			"type" : "string",
			"description" : "ID of the mark.  Look for 'markers' array in user dimension object for custom/user defined markers.  System Markers are defined in SystemMarker.JSON"
		}
	},

	"required" : 
	[
		"marker_id",
		"marked_utc_timestamp",
		"is_removed"
	],

	"title" : "ItemMark",
	"type" : "object"
}