diff --git a/lib/sequence/index.js b/lib/sequence/index.js
index d785ad9..f60d86e 100644
--- a/lib/sequence/index.js
+++ b/lib/sequence/index.js
@@ -1,5 +1,6 @@
 'use strict'
 
+const uuid = require('uuid').v4
 const log = require('../log')('seq')
 
 /** Object sequence features */
@@ -22,6 +23,10 @@ sequence._loop = {
 }
 
 sequence.start = function (options, cb) {
+	if (sequence._state.active) {
+		return false
+	}
+
 	sequence._state.active = true
 	sequence._state.count = 0
 
@@ -41,6 +46,8 @@ sequence.start = function (options, cb) {
 	}
 	sequence._state.stop = cb
 	sequence.step() 
+	sequence._state.id = uuid()
+	return sequence._state.id
 }
 
 sequence.setStop = function () {
@@ -76,7 +83,7 @@ sequence.step = function () {
 			if (sequence._state.count > sequence._state.arr.length - 1) {
 				return sequence.stop()
 			}
-			log.info('step', sequence._state.count)
+			log.info('step', { count : sequence._state.count, id : sequence._state.id })
 			return sequence._state.arr[sequence._state.count](() => {
 				sequence._state.count++
 				sequence.step()
@@ -89,7 +96,7 @@ sequence.step = function () {
 			if (sequence._loop.max > 0 && sequence._loop.count > sequence._loop.max) {
 				return sequence.stop()
 			}
-			log.info('step', sequence._state.count)
+			log.info('step', { count : sequence._state.count, id : sequence._state.id })
 			return sequence._loop.arr[sequence._state.count](() => {
 				sequence._state.count++
 				sequence.step()