I think the code is as follows, but am about 80% sure it is wrong:
Set [StringVal] to ( Player.GetActorFullName ) If ( Eval_SV "[String]" == 0 ) ;Do Whatever EndIf
Thanks in advance

Set [StringVal] to ( Player.GetActorFullName ) If ( Eval_SV "[String]" == 0 ) ;Do Whatever EndIf
Let StringVar to Player.GetNameIf eval sv_find "[String]" StringVar == 0 ;Do Whatever EndIf
Let StringVar to Player.GetNameIf eval sv_find "[String]" StringVar == 0 ;Do Whatever EndIf