diff --git a/plugins/fastlane-plugin-ios_cd/lib/fastlane/plugin/ios_cd/actions/build_and_deploy_action.rb b/plugins/fastlane-plugin-ios_cd/lib/fastlane/plugin/ios_cd/actions/build_and_deploy_action.rb
index 6656043..972175d 100644
--- a/plugins/fastlane-plugin-ios_cd/lib/fastlane/plugin/ios_cd/actions/build_and_deploy_action.rb
+++ b/plugins/fastlane-plugin-ios_cd/lib/fastlane/plugin/ios_cd/actions/build_and_deploy_action.rb
@@ -21,25 +21,19 @@ module Fastlane
 
         # Decrypt the keys archive and Extract the keys archive
         Helper::IosCdHelper.decrypt_ios_keys('.')
-        UI.message("👉🏼 Credentials decrypted.")
+        UI.message("🍺 Credentials decrypted.")
 
         # Retrieve credentials
         creds = Helper::IosCdHelper.parse_ios_credentials('.')
-        UI.message("👉🏼 Credentials parsed.")
+        UI.message("🍺 Credentials parsed.")
 
         # Delete decrypted artifacts
         artifacts = ['ios_keys.zip', 'ios_credentials.json']
-        artifacts.each do |file|
-          File.delete(file) if File.exist?(file)
-        end
+        Helper::IosCdHelper.delete_artifacts(artifacts)
 
         # Check credentials
         required_fields = ['developer_app_id', 'username', 'developer_app_identifier', 'app_identifier_extensions', 'apple_issuer_id', 'apple_key_id', 'team_id', 'team_name', 'apple_key_content', 'git_url', 'git_basic_authorization', 'provisioning_profiles', 'temp_keychain_user', 'temp_keychain_password']
-        missing_fields = required_fields - creds.keys
-
-        unless missing_fields.empty?
-          raise ArgumentError, "❌ missing keys in credential json file : #{missing_fields}"
-        end
+        Helper::IosCdHelper.check_required_fields(required_fields, creds.keys)
 
         # Delete keychain if existing
         if File.exist?(File.expand_path("~/Library/Keychains/#{name}-db"))
@@ -55,7 +49,7 @@ module Fastlane
           unlock: false,
           timeout: 0
         )
-        UI.message("👉🏼 New keychain created")
+        UI.message("🍺 New keychain created")
 
         # Obtain App Store Connect API key
         api_key = other_action.app_store_connect_api_key(
@@ -65,7 +59,7 @@ module Fastlane
           duration: 500,
           in_house: false
         )
-        UI.message("👉🏼 API Key formated")
+        UI.message("🍺 API Key formated")
 
         last_testflight_build_number =
           other_action.latest_testflight_build_number(
@@ -82,7 +76,7 @@ module Fastlane
           build_number: last_testflight_build_number,
           xcodeproj: "Runner.xcodeproj"
         )
-        UI.message("👉🏼 Build number incremented")
+        UI.message("🍺 Build number incremented")
 
         # Install Cocoapods
         other_action.cocoapods(
@@ -91,7 +85,7 @@ module Fastlane
           integrate: true,
           podfile: "./Podfile"
         )
-        UI.message("👉🏼 Pod got")
+        UI.message("🍺 Pod got")
 
         # Set up code signing using match
         # Configures and runs `match` which manages code signing certificates and provisioning profiles for the project.
@@ -109,9 +103,9 @@ module Fastlane
           team_id:  creds['team_id'].to_s,
           team_name: creds['team_name'].to_s,
           git_url: creds['git_url'].to_s,
-          storage_mode: "git",
+          storage_mode: "git"
         )
-        UI.message("👉🏼 App signed")
+        UI.message("🍺 App signed")
 
         # Build and export app using Gym
         # Builds and packages an iOS app or framework for distribution to the App Store, TestFlight, or Enterprise distribution.
@@ -123,7 +117,7 @@ module Fastlane
             provisioningProfiles: creds['provisioning_profiles']
           }
         )
-        UI.message("👉🏼 App built")
+        UI.message("🍺 App built")
 
         # Upload build to App Store Connect using Pilot
         other_action.pilot(
@@ -146,9 +140,7 @@ module Fastlane
 
         # Delete build artifacts
         artifacts = ['Runner.app.dSYM.zip', 'Runner.ipa']
-        artifacts.each do |file|
-          File.delete(file) if File.exist?(file)
-        end
+        Helper::IosCdHelper.delete_artifacts(artifacts)
       end
 
       def self.description
diff --git a/plugins/fastlane-plugin-ios_cd/lib/fastlane/plugin/ios_cd/helper/ios_cd_helper.rb b/plugins/fastlane-plugin-ios_cd/lib/fastlane/plugin/ios_cd/helper/ios_cd_helper.rb
index 939f5cf..24178ad 100644
--- a/plugins/fastlane-plugin-ios_cd/lib/fastlane/plugin/ios_cd/helper/ios_cd_helper.rb
+++ b/plugins/fastlane-plugin-ios_cd/lib/fastlane/plugin/ios_cd/helper/ios_cd_helper.rb
@@ -41,6 +41,28 @@ module Fastlane
           UI.user_error!("❌ Ios credentials doesn't exist")
           puts("json file doesn't exist")
         end
+
+        def self.check_required_fields(required_fields, json)
+          missing_fields = required_fields - json
+
+          unless missing_fields.empty?
+            raise ArgumentError, "❌ missing keys in credential json file : #{missing_fields}"
+          end
+        end
+
+        def self.check_environment_variables(variables)
+          variables.each do |variable|
+            unless ENV.key?(variable)
+              raise "❌ The environment variable '#{variable}' is not defined."
+            end
+          end
+        end
+
+        def self.delete_artifacts(artifacts)
+          artifacts.each do |file|
+            File.delete(file) if File.exist?(file)
+          end
+        end
       end
     end
   end