{
	"$schema":"http://json-schema.org/draft-04/schema#",
	"title":"ADMLayerStepInfo",
	"type":"object",
	"additionalProperties":false,
	"description":"Analytics-v4 .. ADM Layer Step Info. To log the information about the steps within a entity/map layer download",
	"properties":{
		"step":{
			"type": "string",
			"enum": [
				"DOWNLOAD",
				"UNPACK",
				"MD5_CHECK",
				"VALIDATE",
				"SWAP"
			],
			"description": "The current step of the layer download"
		},
		"time_cost": {
			"type": "integer",
			"description":"Time taken for the step to complete (in milliseconds)"
		}
	},
	"required":[
		"step",
		"time_cost"
	]
}