Add multiple Pages to a Zoho Books Estimate

Add multiple Pages to a Zoho Books Estimate

I need to add multiple pages to my estimates in Zoho Books. 
The additional pages is mostly text with variable numbers/names. 

I gather the data in CRM from which I create estimates via the Books API.

How can I add these additional pages onto the estimate, would this be possible with Writer?

Example:

1. Page regular estimate with table
2. Page Hello Mr xx (contact from CRM),
      conditions: [...]