Seeing

void AAuroraBaseAICharacter::Tick(float DeltaSeconds)
{
    // Make sure we aren't going over our sensed time or set it back to false
    if (bSensedTarget && (GetWorld()->TimeSeconds - LastSeenTime) > SenseTimeOut)
    {
        AAuroraBaseAIController* AIController = Cast<AAuroraBaseAIController>(GetController());
        if (AIController)
        {
            bSensedTarget = false;

            GEngine->AddOnScreenDebugMessage(-2, 2.0f, FColor::Red, TEXT("Shit I lost him"));

            /* Reset */
            AIController->SetTargetEnemy(nullptr);
        }
    }
}

void AAuroraBaseAICharacter::OnSeePlayer(APawn * Pawn)
{
    GEngine->AddOnScreenDebugMessage(-1, 2.0f, FColor::Green, TEXT("I SEE YOU!"));

    // Keep track of when a player is tracked
    LastSeenTime = GetWorld()->GetTimeSeconds();
    bSensedTarget = true;

    // Get the controller
    AAuroraBaseAIController* aiController = Cast<AAuroraBaseAIController>(this->GetController());

    // Cast to see if player is a Aurora Base Character
    AAuroraBaseCharacter* sensedPlayer = Cast<AAuroraBaseCharacter>(Pawn);

    if (aiController)
    {
        aiController->SetTargetEnemy(sensedPlayer);
    }
}