Calling a z report in BADI

Hi all,

I have created a enhancement in  LE_SHP_GOODSMOVEMENT for PGI .

I want to call a z report in background when user click on PGI the report have some mandatory fields when i try to do this by Call transaction method and try to set the fields it is showing me error that field does not defined.

So please help me how can i call the report in background and can fetch the data which comes from that report.

Thanks in advance