diff --git a/.gitignore b/.gitignore
index bd3f730..052a52c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,9 @@ prototype_*.py
 *.secret
 *.client_secret
 
+# Environment files
+*.env
+
 # Certificate files
 *.pem
 *.key
diff --git a/.vscode/settings.json b/.vscode/settings.json
index eb415e3..9be0d9f 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -2,5 +2,6 @@
     "debug.autoExpandLazyVariables": "off",
     "debug.inlineValues": "off",
     "debugpy.debugJustMyCode": true,
-    "debugpy.showPythonInlineValues": false
+    "debugpy.showPythonInlineValues": false,
+    "python.terminal.useEnvFile": true
 }
diff --git a/get-token.py b/get-token.py
index dbfc951..6c45c10 100755
--- a/get-token.py
+++ b/get-token.py
@@ -12,17 +12,38 @@ Usage:
 
     Now you can use the ADO_TOKEN environment variable, for example using curl:
 
-    curl -H "Authorization: Bearer $ADO_TOKEN" https://dev.azure.com/your_organization/_apis/projects?api-version=7.1
+    curl -sH "Authorization: Bearer $ADO_TOKEN" "https://dev.azure.com/$ADO_ORGANIZATION_URL/_apis/projects?api-version=7.1"
 """
 
 from sk.azure import get_token
+from argparse import ArgumentParser
 
-token = get_token(
-    tenant_id="a7740229-47b6-45de-ad22-83721462b1bf",
-    client_id="840671c4-5dc4-40e5-aab9-7c3a07bbd652",
-    pem_path="./slawek-mba.pem"
-)
+args = ArgumentParser(description="Get Azure DevOps token and print it for exporting as environment variable.")
+args.add_argument("--tenant-id", type=str, required=True, help="Azure AD Tenant ID")
+args.add_argument("--client-id", type=str, required=True, help="Azure AD Client ID")
+args.add_argument("--pem-path", type=str, help="Path to PEM file for authentication (optional)")
+args.add_argument("--client-secret", type=str, help="Client Secret for authentication (optional)")
+args = args.parse_args()
 
-# print(f"Obtained token: {token}")
+if args.pem_path:
+    token = get_token(
+        tenant_id=args.tenant_id,
+        client_id=args.client_id,
+        pem_path=args.pem_path
+    )
+elif args.client_secret:
+    if not args.client_secret:
+        print("Client secret file is empty.")
+        exit(1)
+    token = get_token(
+        tenant_id=args.tenant_id,
+        client_id=args.client_id,
+        client_secret=args.client_secret
+    )
+else:
+    token = get_token(
+        tenant_id=args.tenant_id,
+        client_id=args.client_id
+    )
 
-print(f"export ADO_TOKEN='{token}'")
\ No newline at end of file
+print(f"export ADO_TOKEN='{token}'")