DECLARE_DELEGATE_OneParam(FCustomInputDelegate, const bool);
InputComponent->BindAction("OnSomeInput", IE_Pressed, this, &AMyActor::OnInput, true);

DECLARE_DELEGATE_TwoParams(FAnotherCustomInputDelegate, const bool, const float);
InputComponent->BindAction("OnSomeOtherInput", IE_Pressed, this, &AMyActor::OnOtherInput, true, 10.f);