diff --git a/README.md b/README.md
index 020a925..a6915ae 100644
--- a/README.md
+++ b/README.md
@@ -8,14 +8,14 @@ You should add `PLATFORMS_GIT` environment to your Jenkins with url to git repo,
 contains single `platforms.json` file.
 
 Next you should register this library in Jenkins -> System settings -> Global Pipeline Libraries:
-* Library name: `SHS`
+* Library name: `SHS.Platforms`
 * Default version: `master`
 * Project Repository: `https://git.shs.tools/SHS/jenkins_lib.git`
 
 ## Usage
 
 ```
-@Library('SHS') _
+@Library('SHS.Platforms') _
 node {
     def pl = new org.SHS.Platforms(this)
     pl.get()
@@ -26,4 +26,5 @@ node {
 ```
 
 `dist` is JSON element of current platform
+
 `"-test"` is a stage suffix
diff --git a/src/org/SHS/Platforms.groovy b/src/org/SHS/Platforms.groovy
index 70d4dcd..3f454e9 100644
--- a/src/org/SHS/Platforms.groovy
+++ b/src/org/SHS/Platforms.groovy
@@ -2,6 +2,7 @@ package org.SHS
 
 class Platforms {
 	def steps
+	def _root
 	
 	public Platforms(steps) {this.steps = steps}
 	
@@ -10,15 +11,17 @@ class Platforms {
 			steps.dir("platforms_git") {
 				steps.deleteDir()
 				steps.git url: "${steps.env.PLATFORMS_GIT}"
+				this._root = steps.readJSON(file: 'platforms_git/platforms.json')
 			}
 		}
 	}
 	
-	public void forEach(functor, stage_suffix = "") {
-		def root = steps.readJSON(file: 'platforms_git/platforms.json')
-		root.Platforms.each { key, dist ->
+	public def root() {return _root;}
+	
+	public void forEach(functor, stageSuffix = "", whiteList = [], blackList = []) {
+		_root.Platforms.each { key, dist ->
 			if (dist.enabled) {
-				steps.stage ("${key}${stage_suffix}") {
+				steps.stage ("${key}${stageSuffix}") {
 					functor(dist)
 				}
 			}