text: Once the integration is created, you'll be provided with an Integration Token (API key). Copy this token and keep it safe, as you'll need it to use the NotionDBLoader.3. Connect the Integration to the Databaseâ€‹To connect your integration to the database, follow these steps:Open your database in Notion.Click on the three-dot menu icon in the top right corner of the database view.Click on the "+ New integration" button.Find your integration, you may need to start typing its name in the search box.Click on the "Connect" button to connect the integration to the database.4. Get the Database IDâ€‹To get the database ID, follow these steps:Open your database in Notion.Click on the three-dot menu icon in the top right corner of the database view.Select "Copy link" from the menu to copy the database URL to your clipboard.The database ID is the long string of alphanumeric characters found in the URL. It typically looks like this: https://www.notion.so/username/8935f9d140a04f95a872520c4f123456?v=.... In this example, the database ID is 8935f9d140a04f95a872520c4f123456.With the database properly set up and the integration token and database ID in hand, you can now use the NotionDBLoader code to load content and metadata from your Notion database.Usageâ€‹NotionDBLoader is part of the langchain package's document loaders. You can use it as follows:from getpass import getpassNOTION_TOKEN = getpass()DATABASE_ID = getpass()    Â·Â·Â·Â·Â·Â·Â·Â·    Â·Â·Â·Â·Â·Â·Â·Â·from langchain.document_loaders import NotionDBLoaderloader = NotionDBLoader(