## 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. [Back](./) # How many contact persons can I add to a customer? You can add up to 500 contact persons for a customer in Zoho Books. To add contact persons: * Go to _Sales_ on the left sidebar and select **Customers**. * Select the customer for whom you want to add contact persons. * Click **Edit** at the top of the customer’s _Details_ page. * In the _Edit Customer_ page, navigate to the **Contact Persons** tab. * Enter the contact person’s details. To add more contact persons to the customer, click **\+ Add Contact Person**. * Click **Save**. The contact person will be added to the customer. * * *