Customer statement

How to add item ,quantity,rate,amount to customer statement

what you are asking is not customer statement. customer statements only have the accounting transactions.

you may try generating a suitable report using Custom Reports.

thanks
actually i just want to know that how i can get a report of customer include item name , quantity ,price ,total amount + tax and also paid amount and net balance , fully described

read the below guide for ideas.
https://www.manager.io/guides/18075

thanks