Does anyone know how to customize cash flow report in Version 15

I just want to add the entries for each account. Below that, there should be Cash at the beginning of the year in the picture example below

HI

Are you want to customize report itself or report print?

Hello, I want to customize the report itself, because my main objectives is I want to show the accounting entries that have been made to that account. Just like the report shown in the picture. Thank you @Usama_Naveed for helping.