how to use workflow to send error table content to user

We have a workflow to load data to biio_att_npe_one_reg, biio_att_npe_comb_reg and biio_att_npe_all_reg. The error data would go to corresponding error tables biio_att_npe_one_reg_err, biio_att_npe_comb_reg_err and biio_att_npe_all_reg_err. We have a condition step to check whether there is error during data load. We would like to send the data dump from the above three error tables after the condition step finds error. What I think is to include one PL/SQL step after MsgERR group step. The PL/SQL will send mail with the attached error table content to users. Is it possible? Besides, is there any other way to send error table content to