save data to ztable by defining workarea in module pool

Hello.

i want to add data to ztable-zmod . When i give the following input param   : v_matnr, v_date, v_rate, v_qty, v_amt and click on 'SAVE' button data should be updated in the ztable.

  if i want to do this by defining a workarea then to write the code for it ?