faglflexa table :Generic datasource

Hi

I have to pull the data from the FAGLFLEXA table.

im plaaning to create a generic datasource because here we do not have 0fi_gl_14 datasource.

so how can handle delta from faglflexa table.

even can i use old standard datasoucre like 0fi_gl_4

i need to take cost from faglflexa and doctype from bkpf.

the data to be accumaled at region and profit centre hierarcy.

Thanks