Custom Functions for Creating Records from CRM to Books? (Basically same records in both apps)

Custom Functions for Creating Records from CRM to Books? (Basically same records in both apps)

Hi,

Does anybody have custom functions (preferably deluge) that can create (and if possible update) records, for example an Invoice in both Zoho CRM and Zoho Books, trying to simulate a two way sync through custom functions between the two apps but if it is not possible just creating a record in both apps could help us.
I know they have different modules for Invoice, Sales Order etc., but we would like to use CRM for creating and Books for managing the finance part.

Also trying to do the same for the following modules from CRM to Books:
CRM Quotes to Books Estimate, CRM Sales Order to Books Sales Order, CRM Invoice to Books Invoice

Thank You.