1. Transaction hrasr_dt under Settings for Start Step , ensure you have configured save configuration correctly.
2. In the workflow where second second step FS2 is used set &SEND_VARIATION& element as save to DB/Infotype.
Refer http://help.sap.com/erp_hcm_ias_2013_02/helpdata/en/42/f280b91e5132c3e10000000a1553f6/content.htm
Regards.