## Documentation Index

Access the complete documentation index at:
https://www.zoho.com/en-fr/books/kb/llms.txt

Use this file to discover all available documentation pages before proceeding.

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# How do I check if my client has viewed the transactions I’ve sent them?

**Prerequisites**

Before you can check if your customer has viewed the transaction you’ve sent to them, you will have to:

*   Enable **Customer Portal** for your organization and enable portal access to your customers. Read our help document on customer portal to learn how to [enable customer portal for your customers](/books/help/customer-portal/#enable-customer-portal).
*   Enable **Email Insights** for your organization. Read our help document on Emails to learn how to [enable email insights for your organization](/books/help/settings/emails.html#email-insights).

To see the transactions that your customers viewed:

*   Go to the _Sales_ module on the left sidebar and select a module, say **Invoices**.
*   Click the _All_ dropdown at the top and select **Customer Viewed**.

All transactions viewed by your customers will be listed here. An **Eye** icon will be displayed next to the transaction number if your customers viewed the transaction from the portal. An Open Mail icon will be displayed next to the transaction number if your customers viewed the transaction from the email you sent.

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