diff --git a/data_export.py b/data_export.py
index 2c21b07..ede24aa 100644
--- a/data_export.py
+++ b/data_export.py
@@ -187,6 +187,18 @@ def generate_expiry_text(app_name, days_to_expiry, expiry_date):
     </div>
     """
 
+def sort_app_registrations(app_registrations):
+    current_date = datetime.utcnow()
+    for app in app_registrations:
+        expiry_date_str = app["passwordCredentials"][0]["endDateTime"]
+        expiry_date = datetime.strptime(expiry_date_str.split('.')[0], '%Y-%m-%dT%H:%M:%S')
+        days_to_expiry = (expiry_date - current_date).days
+        app["days_to_expiry"] = days_to_expiry
+        app["expiry_date"] = expiry_date
+
+    sorted_apps = sorted(app_registrations, key=lambda x: x["days_to_expiry"], reverse=False)
+    return sorted_apps
+
 # Example usage
 if __name__ == "__main__":
     # Sample app registration data
@@ -197,10 +209,21 @@ if __name__ == "__main__":
         },
         {
             "displayName": "App2",
+            "passwordCredentials": [{"endDateTime": "2023-12-31T23:59:59.9999999Z"}]
+        },
+        {
+            "displayName": "App3",
             "passwordCredentials": [{"endDateTime": "2025-01-15T23:59:59.9999999Z"}]
         }
     ]
-    
+
+    sorted_apps = sort_app_registrations(app_registrations)
+    html_output = ""
+    for app in sorted_apps:
+        html_output += generate_expiry_text(app["displayName"], app["days_to_expiry"], app["expiry_date"])
+
+    print(html_output)
+
     # Write to JSON
     write_to_json(app_registrations)
     
diff --git a/getdrive.py b/getdrive.py
new file mode 100644
index 0000000..056222c
--- /dev/null
+++ b/getdrive.py
@@ -0,0 +1,75 @@
+import os
+import requests
+import logging
+from dotenv import load_dotenv
+
+# Load environment variables
+load_dotenv()
+
+# Configure logging
+logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(asctime)s - %(message)s')
+
+def get_access_token():
+    client_id = os.getenv('AZURE_CLIENT_ID')
+    client_secret = os.getenv('AZURE_CLIENT_SECRET')
+    tenant_id = os.getenv('AZURE_TENANT_ID')
+
+    token_url = f"https://login.microsoftonline.com/{tenant_id}/oauth2/v2.0/token"
+    token_data = {
+        'grant_type': 'client_credentials',
+        'client_id': client_id,
+        'client_secret': client_secret,
+        'scope': 'https://graph.microsoft.com/.default'
+    }
+
+    token_response = requests.post(token_url, data=token_data)
+    access_token = token_response.json().get('access_token')
+    if not access_token:
+        logging.error("Failed to obtain access token")
+        logging.error(token_response.json())
+        return None
+
+    return access_token
+
+def list_drive_items(site_id, drive_id, parent_id=None):
+    access_token = get_access_token()
+    if not access_token:
+        return None
+
+    headers = {
+        'Authorization': f'Bearer {access_token}',
+        'Content-Type': 'application/json'
+    }
+
+    if parent_id:
+        items_url = f"https://graph.microsoft.com/v1.0/sites/{site_id}/drives/{drive_id}/items/{parent_id}/children"
+    else:
+        items_url = f"https://graph.microsoft.com/v1.0/sites/{site_id}/drives/{drive_id}/root/children"
+
+    response = requests.get(items_url, headers=headers)
+    if response.status_code != 200:
+        logging.error(f"Failed to list drive items: {response.status_code}")
+        logging.error(response.json())
+        return None
+
+    items = response.json().get('value', [])
+    if not items:
+        logging.error("No items found in the drive")
+        return None
+
+    for item in items:
+        logging.info(f"Found item: {item.get('name')} with ID: {item.get('id')}")
+        if item.get('folder'):
+            # Recursively list items in the folder
+            list_drive_items(site_id, drive_id, item.get('id'))
+
+    return items
+
+if __name__ == "__main__":
+    site_id = "opassey.sharepoint.com,8e038e2a-139b-4e46-893a-bcf76062e063,5dcd71be-16b7-42ba-add6-4068b88ef3aa"
+    drive_id = os.getenv('SHAREPOINT_DRIVE_ID')
+    items = list_drive_items(site_id, drive_id)
+    if items:
+        logging.info("Listed drive items successfully")
+    else:
+        logging.error("Failed to list drive items")
\ No newline at end of file
diff --git a/getsites.py b/getsites.py
new file mode 100644
index 0000000..5c8f10c
--- /dev/null
+++ b/getsites.py
@@ -0,0 +1,66 @@
+import os
+import requests
+import logging
+from dotenv import load_dotenv
+
+# Load environment variables
+load_dotenv()
+
+# Configure logging
+logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
+
+def get_access_token():
+    client_id = os.getenv('AZURE_CLIENT_ID')
+    client_secret = os.getenv('AZURE_CLIENT_SECRET')
+    tenant_id = os.getenv('AZURE_TENANT_ID')
+
+    token_url = f"https://login.microsoftonline.com/{tenant_id}/oauth2/v2.0/token"
+    token_data = {
+        'grant_type': 'client_credentials',
+        'client_id': client_id,
+        'client_secret': client_secret,
+        'scope': 'https://graph.microsoft.com/.default'
+    }
+
+    token_response = requests.post(token_url, data=token_data)
+    access_token = token_response.json().get('access_token')
+    if not access_token:
+        logging.error("Failed to obtain access token")
+        logging.error(token_response.json())
+        return None
+
+    return access_token
+
+def list_sites():
+    access_token = get_access_token()
+    if not access_token:
+        return None
+
+    headers = {
+        'Authorization': f'Bearer {access_token}',
+        'Content-Type': 'application/json'
+    }
+
+    sites_url = "https://graph.microsoft.com/v1.0/sites?search=*"
+    response = requests.get(sites_url, headers=headers)
+    if response.status_code != 200:
+        logging.error(f"Failed to list sites: {response.status_code}")
+        logging.error(response.json())
+        return None
+
+    sites = response.json().get('value', [])
+    if not sites:
+        logging.error("No sites found")
+        return None
+
+    for site in sites:
+        logging.info(f"Found site: {site.get('name')} with ID: {site.get('id')}")
+
+    return sites
+
+if __name__ == "__main__":
+    sites = list_sites()
+    if sites:
+        logging.info("Listed sites successfully")
+    else:
+        logging.error("Failed to list sites")
\ No newline at end of file
diff --git a/gettoken.py b/gettoken.py
new file mode 100644
index 0000000..7d6935f
--- /dev/null
+++ b/gettoken.py
@@ -0,0 +1,67 @@
+import os
+import requests
+import logging
+from dotenv import load_dotenv
+
+# Load environment variables
+load_dotenv()
+
+# Configure logging
+logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
+
+def get_access_token():
+    client_id = os.getenv('AZURE_CLIENT_ID')
+    client_secret = os.getenv('AZURE_CLIENT_SECRET')
+    tenant_id = os.getenv('AZURE_TENANT_ID')
+
+    token_url = f"https://login.microsoftonline.com/{tenant_id}/oauth2/v2.0/token"
+    token_data = {
+        'grant_type': 'client_credentials',
+        'client_id': client_id,
+        'client_secret': client_secret,
+        'scope': 'https://graph.microsoft.com/.default'
+    }
+
+    token_response = requests.post(token_url, data=token_data)
+    access_token = token_response.json().get('access_token')
+    if not access_token:
+        logging.error("Failed to obtain access token")
+        logging.error(token_response.json())
+        return None
+
+    return access_token
+
+def get_drive_id(site_id):
+    access_token = get_access_token()
+    if not access_token:
+        return None
+
+    headers = {
+        'Authorization': f'Bearer {access_token}',
+        'Content-Type': 'application/json'
+    }
+
+    drives_url = f"https://graph.microsoft.com/v1.0/sites/{site_id}/drives"
+    response = requests.get(drives_url, headers=headers)
+    if response.status_code != 200:
+        logging.error(f"Failed to get drives: {response.status_code}")
+        logging.error(response.json())
+        return None
+
+    drives = response.json().get('value', [])
+    if not drives:
+        logging.error("No drives found")
+        return None
+
+    # Assuming you want the first drive in the list
+    drive_id = drives[0].get('id')
+    logging.info(f"Found drive ID: {drive_id}")
+    return drive_id
+
+if __name__ == "__main__":
+    site_id = os.getenv('SHAREPOINT_SITE_ID')
+    drive_id = get_drive_id(site_id)
+    if drive_id:
+        logging.info(f"Drive ID: {drive_id}")
+    else:
+        logging.error("Failed to obtain drive ID")
\ No newline at end of file
diff --git a/main.py b/main.py
index f958748..8820a2e 100644
--- a/main.py
+++ b/main.py
@@ -1,5 +1,5 @@
 from azure_client import get_app_registrations
-from sharepoint_client import store_app_registrations  # Uncomment this line
+from sharepoint_client import store_app_registrations
 from notification import send_notifications
 from data_export import write_to_json, generate_html
 
diff --git a/notification.py b/notification.py
index 5d44a51..9e68025 100644
--- a/notification.py
+++ b/notification.py
@@ -30,7 +30,7 @@ def send_notifications(app_registrations):
 
     # Get the current date
     current_date = datetime.utcnow()
-    notification_periods = [60, 30, 7, 1]
+    notification_periods = [60, 30, 7, 3, 2, 1]
 
     # Generate HTML content
     html_content = generate_html(app_registrations)
diff --git a/sharepoint_client.py b/sharepoint_client.py
index 0139f55..0c4bab8 100644
--- a/sharepoint_client.py
+++ b/sharepoint_client.py
@@ -11,14 +11,62 @@ load_dotenv()
 # Configure logging
 logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
 
-def update_excel_file(file_id, data):
+def get_access_token():
+    client_id = os.getenv('AZURE_CLIENT_ID')
+    client_secret = os.getenv('AZURE_CLIENT_SECRET')
+    tenant_id = os.getenv('AZURE_TENANT_ID')
+
+    token_url = f"https://login.microsoftonline.com/{tenant_id}/oauth2/v2.0/token"
+    token_data = {
+        'grant_type': 'client_credentials',
+        'client_id': client_id,
+        'client_secret': client_secret,
+        'scope': 'https://graph.microsoft.com/.default'
+    }
+
+    token_response = requests.post(token_url, data=token_data)
+    access_token = token_response.json().get('access_token')
+    if not access_token:
+        logging.error("Failed to obtain access token")
+        logging.error(token_response.json())
+        return None
+
+    return access_token
+
+def get_drive_id(site_id):
+    access_token = get_access_token()
+    if not access_token:
+        return None
+
+    headers = {
+        'Authorization': f'Bearer {access_token}',
+        'Content-Type': 'application/json'
+    }
+
+    drives_url = f"https://graph.microsoft.com/v1.0/sites/{site_id}/drives"
+    response = requests.get(drives_url, headers=headers)
+    if response.status_code != 200:
+        logging.error(f"Failed to get drives: {response.status_code}")
+        logging.error(response.json())
+        return None
+
+    drives = response.json().get('value', [])
+    if not drives:
+        logging.error("No drives found")
+        return None
+
+    # Assuming you want the first drive in the list
+    drive_id = drives[0].get('id')
+    logging.info(f"Found drive ID: {drive_id}")
+    return drive_id
+
+def update_excel_file(site_id, drive_id, file_id, data):
     """
     Update Excel Online file with new data using OneDrive for Business API
     """
     client_id = os.getenv('AZURE_CLIENT_ID')
     client_secret = os.getenv('AZURE_CLIENT_SECRET')
     tenant_id = os.getenv('AZURE_TENANT_ID')
-    user_email = os.getenv('USER_EMAIL')
 
     # Get access token
     token_url = f"https://login.microsoftonline.com/{tenant_id}/oauth2/v2.0/token"
@@ -30,7 +78,11 @@ def update_excel_file(file_id, data):
     }
 
     token_response = requests.post(token_url, data=token_data)
-    access_token = token_response.json()['access_token']
+    access_token = token_response.json().get('access_token')
+    if not access_token:
+        logging.error("Failed to obtain access token")
+        logging.error(token_response.json())
+        return
 
     headers = {
         'Authorization': f'Bearer {access_token}',
@@ -38,21 +90,14 @@ def update_excel_file(file_id, data):
     }
 
     try:
-        # Get the drive ID first
-        drives_url = f"https://graph.microsoft.com/v1.0/users/{user_email}/drive"
-        drive_response = requests.get(drives_url, headers=headers)
-        drive_response.raise_for_status()
-        drive_id = drive_response.json().get('id')
-        logging.info(f"Found drive ID: {drive_id}")
-
         # Get the file details to verify it exists
-        file_url = f"https://graph.microsoft.com/v1.0/drives/{drive_id}/items/{file_id}"
+        file_url = f"https://graph.microsoft.com/v1.0/sites/{site_id}/drives/{drive_id}/items/{file_id}"
         file_response = requests.get(file_url, headers=headers)
         file_response.raise_for_status()
         logging.info(f"Found file: {file_response.json().get('name')}")
 
         # Clear existing data (except header)
-        clear_url = f"https://graph.microsoft.com/v1.0/drives/{drive_id}/items/{file_id}/workbook/worksheets/Sheet1/range(address='A2:D1000')"
+        clear_url = f"https://graph.microsoft.com/v1.0/sites/{site_id}/drives/{drive_id}/items/{file_id}/workbook/worksheets/Sheet1/range(address='A2:D1000')"
         clear_data = {
             "values": [[""]*4]*999
         }
@@ -61,7 +106,7 @@ def update_excel_file(file_id, data):
         logging.info("Cleared existing data from Excel file")
 
         # Write new data
-        update_url = f"https://graph.microsoft.com/v1.0/drives/{drive_id}/items/{file_id}/workbook/worksheets/Sheet1/range(address='A2:D{len(data)+1}')"
+        update_url = f"https://graph.microsoft.com/v1.0/sites/{site_id}/drives/{drive_id}/items/{file_id}/workbook/worksheets/Sheet1/range(address='A2:D{len(data)+1}')"
         update_data = {
             "values": data
         }
@@ -89,7 +134,7 @@ def store_app_registrations(app_registrations):
 
         expiry_date = password_credentials[0].get('endDateTime')
         if expiry_date:
-            if (expiry_date.endswith('ZZ')):
+            if expiry_date.endswith('ZZ'):
                 expiry_date = expiry_date[:-1]
             elif expiry_date.endswith('Z'):
                 expiry_date = expiry_date[:-1]
@@ -116,10 +161,20 @@ def store_app_registrations(app_registrations):
 
     # Update Excel file
     try:
-        excel_file_id = os.getenv('EXCEL_FILE_ID')
-        update_excel_file(excel_file_id, excel_data)
+        site_id = os.getenv('SHAREPOINT_SITE_ID')
+        drive_id = os.getenv('SHAREPOINT_DRIVE_ID')
+        file_id = os.getenv('EXCEL_FILE_ID')
+        update_excel_file(site_id, drive_id, file_id, excel_data)
         logging.info("Successfully updated Excel file")
     except Exception as e:
         logging.error(f"Failed to update Excel file: {e}")
 
-    logging.info("Finished processing app registrations")
\ No newline at end of file
+    logging.info("Finished processing app registrations")
+
+if __name__ == "__main__":
+    site_id = os.getenv('SHAREPOINT_SITE_ID')
+    drive_id = get_drive_id(site_id)
+    if drive_id:
+        logging.info(f"Drive ID: {drive_id}")
+    else:
+        logging.error("Failed to obtain drive ID")
\ No newline at end of file
diff --git a/sys_status.py b/sys_status.py
new file mode 100644
index 0000000..575a7c8
--- /dev/null
+++ b/sys_status.py
@@ -0,0 +1,64 @@
+import os
+from datetime import datetime, timedelta
+from email.mime.text import MIMEText
+from email.utils import formataddr
+import smtplib
+import logging
+
+def check_client_id_expiry():
+    # Load environment variables
+    client_id = os.getenv('AZURE_CLIENT_ID')
+    client_secret = os.getenv('AZURE_CLIENT_SECRET')
+    tenant_id = os.getenv('AZURE_TENANT_ID')
+    smtp_server = os.getenv('SMTP_SERVER')
+    smtp_port = int(os.getenv('SMTP_PORT'))
+    smtp_username = os.getenv('SMTP_USERNAME')
+    smtp_password = os.getenv('SMTP_PASSWORD')
+    from_email = os.getenv('FROM_EMAIL')
+    from_name = os.getenv('FROM_NAME')
+    admin_email = os.getenv('ADMIN_EMAIL')
+
+    # Check if the client ID is expiring soon
+    expiry_date_str = os.getenv('CLIENT_ID_EXPIRY_DATE')
+    if not expiry_date_str:
+        logging.error("CLIENT_ID_EXPIRY_DATE not set in environment variables")
+        return
+
+    try:
+        expiry_date = datetime.strptime(expiry_date_str, '%Y-%m-%d')
+    except ValueError as e:
+        logging.error(f"Error parsing CLIENT_ID_EXPIRY_DATE: {e}")
+        return
+
+    days_to_expiry = (expiry_date - datetime.utcnow()).days
+
+    if days_to_expiry <= 30:
+        subject = "Warning: Azure Client ID Expiry Notification"
+        body = f"""
+        <html>
+        <body>
+            <p>The Azure Client ID <strong>{client_id}</strong> is set to expire in 
+            <span style="color: red; font-weight: bold;">{days_to_expiry} days</span> 
+            on <strong>{expiry_date.strftime('%Y-%m-%d')}</strong>.</p>
+            <p>Please take the necessary actions to renew the client ID before it expires.</p>
+        </body>
+        </html>
+        """
+
+        # Create email message
+        msg = MIMEText(body, 'html')
+        msg['Subject'] = subject
+        msg['From'] = formataddr((from_name, from_email))
+        msg['To'] = admin_email
+
+        try:
+            with smtplib.SMTP(smtp_server, smtp_port) as server:
+                server.starttls()
+                server.login(smtp_username, smtp_password)
+                server.sendmail(from_email, admin_email, msg.as_string())
+            logging.info(f"Successfully sent client ID expiry warning to {admin_email}")
+        except Exception as e:
+            logging.error(f"Failed to send client ID expiry warning: {e}")
+
+if __name__ == "__main__":
+    check_client_id_expiry()
\ No newline at end of file