diff --git a/credentials.properties b/credentials.properties
index 680d1f3..2f0ea14 100644
--- a/credentials.properties
+++ b/credentials.properties
@@ -5,47 +5,56 @@
 ## named "credentials-ext.properties" with the properties to overwrite.
 ##
 
-    #
-    # The JIRA_USER_NAME should be an email address.
-    #
-    # JIRA_USER_NAME=<jira_user_name>
-
-    #
-    # Get JIRA_TOKEN should be jira token.
-    #
-    # JIRA_TOKEN=<jira_token>
-
-    #
-    # The TESTRAY_USER_NAME should be an email address.
-    #
-    # TESTRAY_USER_NAME=<testray_user_name>
-
-    #
-    # The TESTRAY_PASSWORD should be testray password.
-    #
-    # TESTRAY_PASSWORD=<testray_password>
-
-    #
-    # The LOCAL_REPO_PATH should look like /path/to/repo.
-    #
-    # LOCAL_REPO_PATH=<path_to_repo>
-
-    #
-    # The TEAM_REPO_NAME should look like liferay-echo/liferay-portal.
-    #
-    # TEAM_REPO_NAME=<team_repo_name>
-
-    #
-    # The GITHUB_REVIEWER_NAME should look like david-gutierrez-mesa.
-    #
-    # GITHUB_REVIEWER_NAME=<reviewer>
-
-    #
-    # The GITHUB_USER_NAME should look like Tim-Cao.
-    #
-    # GITHUB_USER_NAME=<github_user_name>
-
-    #
-    # The GITHUB_TOKEN should be github token.
-    #
-    # GITHUB_TOKEN=<github_token>
\ No newline at end of file
+#
+# The JIRA_USER_NAME should be an email address.
+#
+
+JIRA_USER_NAME=
+
+#
+# Get JIRA_TOKEN should be jira token.
+#
+
+JIRA_TOKEN=
+
+#
+# The TESTRAY_USER_NAME should be an email address.
+#
+
+TESTRAY_USER_NAME=
+
+#
+# The TESTRAY_PASSWORD should be testray password.
+#
+
+TESTRAY_PASSWORD=
+
+#
+# The LOCAL_REPO_PATH should look like /path/to/liferay-portal.
+#
+
+LOCAL_REPO_PATH=
+
+#
+# The TEAM_REPO_NAME should look like liferay-echo/liferay-portal.
+#
+
+TEAM_REPO_NAME=
+
+#
+# The GITHUB_REVIEWER_NAME should look like david-gutierrez-mesa.
+#
+
+GITHUB_REVIEWER_NAME=
+
+#
+# The GITHUB_USER_NAME should look like Tim-Cao.
+#
+
+GITHUB_USER_NAME=
+
+#
+# The GITHUB_TOKEN should be github token.
+#
+
+GITHUB_TOKEN=
\ No newline at end of file
diff --git a/liferay/util/credentials.py b/liferay/util/credentials.py
index d790965..13fb34a 100644
--- a/liferay/util/credentials.py
+++ b/liferay/util/credentials.py
@@ -1,4 +1,5 @@
 import os
+import subprocess
 
 from jproperties import Properties
 
@@ -9,4 +10,27 @@ def get_credentials(key):
     with open(os.path.join(os.path.dirname(__file__), '../../') + '/credentials-ext.properties', 'rb') as config_file:
         configs.load(config_file)
 
-    return configs.get(key).data
\ No newline at end of file
+    return configs.get(key).data
+
+def open_credentials():
+    root = os.path.join(os.path.dirname(__file__), "../../")
+
+    if os.path.exists(os.path.join(root, 'credentials-ext.properties')) == False:
+        print("Creating credentials-ext.properties...")
+
+        with open(os.path.join(root, 'credentials.properties'),'r') as credentials, open(
+            os.path.join(root, 'credentials-ext.properties'),'w') as credentials_ext:
+
+            credentials_content = credentials.readlines()
+
+            for line in range(7, len(credentials_content)):
+                credentials_ext.write(credentials_content[line])
+
+        print("credentials-ext.properties is created")
+    else:
+        print("Opening credentials-ext.properties...")
+
+    try:
+        subprocess.check_call(["code", "-rg", "credentials-ext.properties"])
+    except Exception as e:
+        print(str(e))
\ No newline at end of file
diff --git a/script_app.py b/script_app.py
index c56da56..77493ad 100644
--- a/script_app.py
+++ b/script_app.py
@@ -14,13 +14,15 @@
 from liferay.apps import (create_pr_and_forward, create_test_fix_ticket,
                           forward_failure_pull_request, write_comments,
                           write_description)
+from liferay.util import credentials
 
 
 class ScriptApp(App):
     BINDINGS = [
         Binding("ctrl+c", "quit", "Quit"),
         Binding("shift+insert", "paste", "Paste"),
-        Binding("ctrl+u", "delete_left_all", "Delete all to the left")
+        Binding("ctrl+u", "delete_left_all", "Delete all to the left"),
+        Binding("ctrl+o", "open_credentials", "Open credentials-ext")
     ]
 
     CSS_PATH = root + "/liferay/src/css/main.css"
@@ -110,6 +112,13 @@ def compose(self) -> ComposeResult:
         yield Output(highlight=True, markup=True)
         yield Footer()
 
+    @work(exclusive=True, thread=True)
+    def action_open_credentials(self) -> None:
+        self.query_one(RichLog).clear()
+        self.query_one(RichLog).begin_capture_print()
+
+        credentials.open_credentials()
+
     @work(exclusive=True, thread=True)
     def create_pr_and_forward(self) -> None:
         local_branch_name= self.query_one("#local-branch").value