diff --git a/fastlane/Fastfile b/fastlane/Fastfile
index e362469..e95d1a8 100644
--- a/fastlane/Fastfile
+++ b/fastlane/Fastfile
@@ -134,4 +134,13 @@ lane :test do
     basic_creds: "username:password",
     request_id: "pr-id"
   )
+
+  bitbucket_fetch_changed_lines_between_two_commits(
+    project_key: 'my-project',
+    repo_slug: 'my-repo',
+    basic_creds: "username:password"
+    source_commit: "abcd1234",
+    destination_commit: "efgh5678",
+    prefix: "+"
+  )
 end
\ No newline at end of file
diff --git a/lib/fastlane/plugin/bitbucket/actions/bitbucket_fetch_changed_lines_between_two_commits_action.rb b/lib/fastlane/plugin/bitbucket/actions/bitbucket_fetch_changed_lines_between_two_commits_action.rb
new file mode 100644
index 0000000..b46d5e0
--- /dev/null
+++ b/lib/fastlane/plugin/bitbucket/actions/bitbucket_fetch_changed_lines_between_two_commits_action.rb
@@ -0,0 +1,117 @@
+require 'fastlane/action'
+require_relative '../helper/bitbucket_helper'
+require 'base64'
+
+
+module Fastlane
+  module Actions
+    class BitbucketFetchChangedLinesBetweenTwoCommitsAction < Action
+      def self.run(params)
+        auth_header = Helper::BitbucketHelper.get_auth_header(params)
+        
+        if params[:base_url] then
+          base_url = params[:base_url]
+        else
+          base_url = 'https://api.bitbucket.org'
+        end
+
+        if params[:prefix] then
+          prefix = params[:prefix]
+        else
+          prefix = ''
+        end
+    
+        changed_lines = Helper::BitbucketHelper.compare_two_commits(auth_header, base_url, params[:project_key], params[:repo_slug], params[:source_commit], params[:destination_commit])
+
+        lines_with_prefix = ""
+        changed_lines.each_line do |line|
+          if line.start_with?(prefix)
+            lines_with_prefix.concat(line.delete_prefix(prefix))
+          end
+        end
+
+        lines_with_prefix
+      end
+
+      def self.description
+        "This action allows fastlane to filter two commits diff by a specific prefix"
+      end
+
+      def self.authors
+        ["Daniel Nazareth"]
+      end
+
+      def self.return_value
+        "The return value is a string with the diff that start with a specifc prefix between two commits"
+      end
+
+      def self.available_options
+        [
+          FastlaneCore::ConfigItem.new(
+            key: :base_url,
+            env_name: "BITBUCKET_BASE_URL",
+            description: "The base URL for your BitBucket Server, including protocol",
+            optional: true,
+            type: String,
+            verify_block: proc do |value|
+              UI.user_error!("Bitbucket Server url should use https") unless !!(value.match"^https://")
+            end
+          ),
+          FastlaneCore::ConfigItem.new(
+            key: :project_key,
+            env_name: "BITBUCKET_PROJECT_KEY",
+            description: "The Project Key for your repository",
+            optional: false,
+            type: String
+          ),
+          FastlaneCore::ConfigItem.new(
+            key: :repo_slug,
+            env_name: "BITBUCKET_REPO_SLUG",
+            description: "The repository slug for your repository",
+            optional: false,
+            type: String
+          ),
+          FastlaneCore::ConfigItem.new(
+            key: :access_token,
+            env_name: "BITBUCKET_PERSONAL_ACCESS_TOKEN",
+            description: "A Personal Access Token from BitBucket for the account used. One of access_token or basic_creds must be specified; if both are supplied access_token is used",
+            optional: true,
+            type: String
+          ),
+          FastlaneCore::ConfigItem.new(
+            key: :basic_creds,
+            env_name: "BITBUCKET_BASIC_AUTH_CREDENTIALS",
+            description: "To use Basic Auth for Bitbuket provide a base64 encoded version of \"<username>:<password>\". One of access_token or basic_creds must be specified; if both are supplied access_token is used",
+            optional: true,
+            type: String
+          ),
+          FastlaneCore::ConfigItem.new(
+            key: :source_commit,
+            env_name: "BITBUCKET_DIFFSTAT_SOURCE_COMMIT",
+            description: "The hash of commit from origin branch",
+            optional: false,
+            type: String
+          ),
+          FastlaneCore::ConfigItem.new(
+            key: :destination_commit,
+            env_name: "BITBUCKET_DIFFSTAT_DESTINATION_COMMIT",
+            description: "The hash of commit from destination branch",
+            optional: false,
+            type: String
+          ),
+          FastlaneCore::ConfigItem.new(
+            key: :prefix,
+            env_name: "BITBUCKET_COMMIT_CHANGE_PREFIX",
+            description: "The prefix that indicate the desired change on a commit",
+            optional: true,
+            type: String
+          )
+        ]
+      end
+
+      def self.is_supported?(platform)
+        true
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/lib/fastlane/plugin/bitbucket/helper/bitbucket_helper.rb b/lib/fastlane/plugin/bitbucket/helper/bitbucket_helper.rb
index 0b6e14b..4cc8919 100644
--- a/lib/fastlane/plugin/bitbucket/helper/bitbucket_helper.rb
+++ b/lib/fastlane/plugin/bitbucket/helper/bitbucket_helper.rb
@@ -213,6 +213,12 @@ def self.get_branching_model(access_header, baseurl, project_key, repo_slug)
          data
       end
 
+      def self.compare_two_commits(access_header, baseurl, project_key, repo_slug, source_commit, destination_commit)
+        uri = URI.parse("#{baseurl}/2.0/repositories/#{project_key}/#{repo_slug}/diff/#{source_commit}%0D#{destination_commit}")
+        prresp = self.perform_get(uri, access_header, {})
+        data = prresp.body
+        data
+     end
     end
   end
 end
diff --git a/lib/fastlane/plugin/bitbucket/version.rb b/lib/fastlane/plugin/bitbucket/version.rb
index 03106ee..0128307 100644
--- a/lib/fastlane/plugin/bitbucket/version.rb
+++ b/lib/fastlane/plugin/bitbucket/version.rb
@@ -1,5 +1,5 @@
 module Fastlane
   module Bitbucket
-    VERSION = "0.1.20"
+    VERSION = "0.1.21"
   end
 end