Hi Andie,
In table view iv_index is used to get the row number and corresponding entity data. There must be a outbound plug to get the BP details.
Mostly the search screen you added above was coming from the component BP_HEAD_SEARCH.
You need to create a F4 help using outbound plug in get v method as shown below,
CREATE OBJECT rv_valuehelp_descriptor
TYPE
cl_bsp_wd_valuehelp_navdescr
EXPORTING
iv_outbound_plug = 'OP_SEARCHPARTNER'.
You can create a component usage for the BP_HEAD_SEARCH/SearchHelpWindow and then call the window in outbound plug.
Regards,
Dharmakasi.