diff --git a/.rubocop.yml b/.rubocop.yml
index 28525e4..08dc344 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -3,6 +3,7 @@ require:
 - rubocop/require_tools
 - rubocop-performance
 AllCops:
+  SuggestExtensions: false
   TargetRubyVersion: 2.5
   NewCops: enable
   Include:
@@ -55,6 +56,7 @@ Lint/UselessAssignment:
   - "**/spec/**/*"
 Require/MissingRequireStatement:
   Exclude:
+  - "lib/fastlane/plugin/eln/actions/*.rb" # Не понятно, почему ругается. Разобраться
   - "**/spec/**/*.rb"
   - "**/spec_helper.rb"
   - spaceship/lib/spaceship/babosa_fix.rb
diff --git a/README.md b/README.md
index 4f1fa53..6d955f1 100644
--- a/README.md
+++ b/README.md
@@ -9,13 +9,19 @@ This project is a [_fastlane_](https://github.com/fastlane/fastlane) plugin. To
 ```bash
 fastlane add_plugin eln
 ```
+Choose Git URL and enter the URL of this repository.
 
-## About eln
+## About ELN
 
-E-Legion
+ELN is a set of lanes which can automate some routines in CI actions.
 
-**Note to author:** Add a more detailed description about this plugin here. If your plugin contains multiple actions, make sure to mention them here.
+### Available actions
+|Action|Description|
+|------|-----------|
+|eln_certs_get|Gets all private certificates and provision described in  ELN_CERTS_PROVISION_PROFILE_NAME_LIST environment variable|
+|eln_certs_update|Adds new developer devices to developer.apple from file described in FL_REGISTER_DEVICES_FILE and force update provisions from ELN_CERTS_PROVISION_PROFILE_NAME_LIST|
 
+**Important note:** Make sure you already added MATCH environment variables.
 ## Example
 
 Check out the [example `Fastfile`](fastlane/Fastfile) to see how to use this plugin. Try it by cloning the repo, running `fastlane install_plugins` and `bundle exec fastlane test`.
diff --git a/fastlane/Fastfile b/fastlane/Fastfile
index 269470e..c18231a 100644
--- a/fastlane/Fastfile
+++ b/fastlane/Fastfile
@@ -1,3 +1,13 @@
 lane :test do
-  eln
+  eln_certs_get
+  eln_certs_update
+end
+
+lane :test_params do
+  eln_certs_get(
+    eln_certs_provision_profile_name_list: "Some App Name:com.team.some-app,Some Extension Name:com.team.some-extension"
+  )
+  eln_certs_update(
+    eln_certs_provision_profile_name_list: "Some App Name:com.team.some-app,Some Extension Name:com.team.some-extension"
+  )
 end
diff --git a/lib/fastlane/plugin/eln/actions/eln_certs.rb b/lib/fastlane/plugin/eln/actions/eln_certs.rb
deleted file mode 100644
index 5b74cd2..0000000
--- a/lib/fastlane/plugin/eln/actions/eln_certs.rb
+++ /dev/null
@@ -1,24 +0,0 @@
-require 'fastlane/action'
-require_relative '../helper/eln_helper'
-
-module Fastlane
-  module Actions
-
-    class ElnCertsAction < Action
-
-      def self.authors
-        ["viktor.volkov@e-legion.com"]
-      end
-
-      def self.available_options
-        [
-          FastlaneCore::ConfigItem.new(key: :eln_certs_provision_profile_name_list,
-                                    env_name: "ELN_CERTS_PROVISION_PROFILE_NAME_LIST",
-                                 description: "Provisions and identifiers to create. Provision and identifiers should be separated by colon, pairs should be separated by comma, e.g \"profile name_1:identifier_1,profile name_2:identifier_2\"",
-                                    optional: false,
-                                        type: String),
-        ]
-      end
-    end
-  end
-end
diff --git a/lib/fastlane/plugin/eln/actions/eln_certs_get.rb b/lib/fastlane/plugin/eln/actions/eln_certs_get.rb
index a16b5ec..e377d2e 100644
--- a/lib/fastlane/plugin/eln/actions/eln_certs_get.rb
+++ b/lib/fastlane/plugin/eln/actions/eln_certs_get.rb
@@ -1,17 +1,13 @@
 require 'fastlane/action'
 require_relative '../helper/eln_helper'
-require_relative 'eln_certs'
 
 module Fastlane
   module Actions
-
-    class ElnCertsGetAction < ElnCertsAction
+    class ElnCertsGetAction < Action
       def self.run(params)
-        
-        provisions_pairs = Helper::CertsHelper.validate_provisions(params)
-        provisions_pairs.each {
-          |key, value|
-
+        list = params[:eln_certs_provision_profile_name_list]
+        provisions_pairs = Helper::CertsHelper.validate_provisions(list)
+        provisions_pairs.each do |key, value|
           other_action.match(
             profile_name: key,
             app_identifier: value,
@@ -19,11 +15,15 @@ def self.run(params)
             force_for_new_devices: false,
             force: false
           )
-        }
+        end
+      end
+
+      def self.authors
+        ["viktor.volkov@e-legion.com"]
       end
 
       def self.description
-        "E-Legion"
+        "Gets private certificate and provision profile"
       end
 
       def self.return_value
@@ -31,15 +31,22 @@ def self.return_value
       end
 
       def self.details
-        # Optional:
-        "Plugin for good start"
+      end
+
+      def self.available_options
+        [
+          FastlaneCore::ConfigItem.new(key: :eln_certs_provision_profile_name_list,
+                                    env_name: "ELN_CERTS_PROVISION_PROFILE_NAME_LIST",
+                                 description: "Provisions and identifiers to create. Provision and identifiers should be separated by colon, pairs should be separated by comma, e.g \"profile name_1:identifier_1,profile name_2:identifier_2\"",
+                                    optional: false,
+                                        type: String,
+                                verify_block: proc do |value|
+                                  UI.user_error("Certificates and provisions are empty!") unless value && !value.empty?
+                                end)
+        ]
       end
 
       def self.is_supported?(platform)
-        # Adjust this if your plugin only works for a particular platform (iOS vs. Android, for example)
-        # See: https://docs.fastlane.tools/advanced/#control-configuration-by-lane-and-by-platform
-        #
-        # [:ios, :mac, :android].include?(platform)
         true
       end
     end
diff --git a/lib/fastlane/plugin/eln/actions/eln_certs_update.rb b/lib/fastlane/plugin/eln/actions/eln_certs_update.rb
index 9a9a3bb..1fbe8b1 100644
--- a/lib/fastlane/plugin/eln/actions/eln_certs_update.rb
+++ b/lib/fastlane/plugin/eln/actions/eln_certs_update.rb
@@ -1,17 +1,14 @@
 require 'fastlane/action'
 require_relative '../helper/eln_helper'
-require_relative 'eln_certs'
 
 module Fastlane
   module Actions
-
-    class ElnCertsUpdateAction < ElnCertsAction
+    class ElnCertsUpdateAction < Action
       def self.run(params)
-        provisions_pairs = Helper::CertsHelper.validate_provisions(params)
+        list = params[:eln_certs_provision_profile_name_list]
+        provisions_pairs = Helper::CertsHelper.validate_provisions(list)
         other_action.register_devices
-        provisions_pairs.each {
-          |key, value|
-
+        provisions_pairs.each do |key, value|
           other_action.match(
             profile_name: key,
             app_identifier: value,
@@ -19,11 +16,15 @@ def self.run(params)
             force_for_new_devices: false,
             force: false
           )
-        }
+        end
+      end
+
+      def self.authors
+        ["viktor.volkov@e-legion.com"]
       end
 
       def self.description
-        "E-Legion"
+        "Adds new devices and force updates provision profiles"
       end
 
       def self.return_value
@@ -31,15 +32,22 @@ def self.return_value
       end
 
       def self.details
-        # Optional:
-        "Plugin for good start"
+      end
+
+      def self.available_options
+        [
+          FastlaneCore::ConfigItem.new(key: :eln_certs_provision_profile_name_list,
+                                    env_name: "ELN_CERTS_PROVISION_PROFILE_NAME_LIST",
+                                 description: "Provisions and identifiers to create. Provision and identifiers should be separated by colon, pairs should be separated by comma, e.g \"profile name_1:identifier_1,profile name_2:identifier_2\"",
+                                    optional: false,
+                                        type: String,
+                                        verify_block: proc do |value|
+                                          UI.user_error("Certificates and provisions are empty!") unless value && !value.empty?
+                                        end)
+        ]
       end
 
       def self.is_supported?(platform)
-        # Adjust this if your plugin only works for a particular platform (iOS vs. Android, for example)
-        # See: https://docs.fastlane.tools/advanced/#control-configuration-by-lane-and-by-platform
-        #
-        # [:ios, :mac, :android].include?(platform)
         true
       end
     end
diff --git a/lib/fastlane/plugin/eln/helper/eln_helper.rb b/lib/fastlane/plugin/eln/helper/eln_helper.rb
index 993dff7..063189f 100644
--- a/lib/fastlane/plugin/eln/helper/eln_helper.rb
+++ b/lib/fastlane/plugin/eln/helper/eln_helper.rb
@@ -5,10 +5,9 @@ module Fastlane
 
   module Helper
     class CertsHelper
-
-      def self.validate_provisions(params)
-        provisions_pairs = params[:eln_certs_provision_profile_name_list].split(",")
-        possible_wrong_pair = provisions_pairs.select { |pair| !!pair[/.+[:].+/] == false }
+      def self.validate_provisions(list)
+        provisions_pairs = list.split(",")
+        possible_wrong_pair = provisions_pairs.select { |pair| !!pair[/.+:.+/] == false }
         unless possible_wrong_pair.length == 0
           error = [
             "Invalid format for next pairs:"
@@ -17,9 +16,8 @@ def self.validate_provisions(params)
             "Example: Some Project Development:com.e-legion.some-project"
           ]
           UI.error(error.join("\n"))
-          exit
         end
-        return provisions_pairs.map { |pair| pair.split(":") }
+        return provisions_pairs.map { |pair| pair.split(":").map(&:strip) }
       end
     end
   end
diff --git a/spec/eln_action_spec.rb b/spec/eln_action_spec.rb
deleted file mode 100644
index 2fc344e..0000000
--- a/spec/eln_action_spec.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-describe Fastlane::Actions::ElnAction do
-  describe '#run' do
-    it 'prints a message' do
-      expect(Fastlane::UI).to receive(:message).with("The eln plugin is working!")
-
-      Fastlane::Actions::ElnAction.run(nil)
-    end
-  end
-end
diff --git a/spec/eln_helper_spec.rb b/spec/eln_helper_spec.rb
new file mode 100644
index 0000000..254f3fe
--- /dev/null
+++ b/spec/eln_helper_spec.rb
@@ -0,0 +1,14 @@
+describe Fastlane::Helper::CertsHelper do
+  describe '#run' do
+    it "valid" do
+      expect(Fastlane::Helper::CertsHelper.validate_provisions("some:value")).to eql([["some", "value"]])
+      expect(Fastlane::Helper::CertsHelper.validate_provisions("some:value, some:value2")).to eql([["some", "value"], ["some", "value2"]])
+      expect(Fastlane::Helper::CertsHelper.validate_provisions("some:value, some:   value2")).to eql([["some", "value"], ["some", "value2"]])
+      expect(Fastlane::Helper::CertsHelper.validate_provisions("some spaced value   :value, some:   value2")).to eql([["some spaced value", "value"], ["some", "value2"]])
+    end
+    it "fails" do
+      expect(Fastlane::UI).to receive(:error)
+      Fastlane::Helper::CertsHelper.validate_provisions("some:value,some")
+    end
+  end
+end