Need OVERTIME(OT) for Data Source (0HR_PY_1) enhancement

Hi Friends,

I need Overtime for 0HR_PY_1 data source enhancement . Here , they are not updating any info type for overtime . Some where , I got that I can take OT from ZL cluster table.

I don't know , how do I fetch the data from ZL cluster table.

Another , I got some function module but that also no use for me.

The above thing , I have done . Please suggest me and if possible help me .

Please help me as it is urgent .

Thanks

Regards

Bibekananda