The Example Design calls a C driver function called XilVitisNetP4DcamInsert (from within the table_add task in <proj_location>/vitis_net_p4_0_ex/vitis_net_p4_0_ex.gen/sources_1/ip/vitis_net_p4_0/src/verilog/vitis_net_p4_0_pkg.sv)
to add the entry to the table.