## Zoho Billing - Product, solutions, integrations, support, and resources Index Access the complete documentation index at: https://www.zoho.com/ca/billing/llms.txt Use this file to discover all available documentation pages before proceeding. [Back](./) # When I comment on a document and mark the “Display in customer portal” option, will my customer receive an email? Yes, they will if you’ve enabled this under settings. * Go to **Settings > Preferences > General** under Customer Portal. * Check the box **Send a notification email when I comment on transactions** and click **Save** at the bottom of the page. Your customers will now receive notifications when you comment on their transactions.