Copy the Material doc info to WA / WI accounting docs

Hello,

In our customized prog we are calling the BAPI_GOODSMVT_CREATE which is creating the worldly docs and WA / WI (Goods contented / Goods Receipt) also, well, moving fine, but we privation to walk immoderate LINE ITEM level info from recently creating worldly doc to WA / WI  acc. docs, pls. fto america cognize immoderate disposable User-Exit / BADI / ENH spot? I tried ACC_DOCUMENT but nary luck!