> For the complete documentation index, see [llms.txt](https://renownedgames.gitbook.io/ai-tree/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://renownedgames.gitbook.io/ai-tree/api/runtime/aiperceptionconfig.md). # AIPerceptionConfig ### Description AIPerceptionConfig is base abstract class for all perception configs such as SightConfig. Perception configs are used to imitate different senses of AI agents. To create a custom perception config you should inherit from AIPerceptionConfig class and implement logic that is described below. ### OnTargetUpdated When inheriting from AIPerceptionConfig you have to override OnTargetUpdated event.

public class ExamplePerceprionConfig : AIPerceptionConfig
{
    public override event Action<AIPerceptionSource> OnTargetUpdated;
}

* OnTargetUpdated gets called when perception config has updated the target. ### Initialize When inheriting from AIPerceptionConfig you can override Initialize method.

public class ExamplePerceprionConfig : AIPerceptionConfig
{
    public override event Action<AIPerceptionSource> OnTargetUpdated;
    
    public override void Initialize(AIPerception owner)
    {
        base.Initialize(owner);
    }
}

* Initialize gets called once when initializing config. * Paremeter "owner" is a reference of AI perception owner. ### OnStart When inheriting from AIPerceptionConfig you can override OnStart method.

public class ExamplePerceprionConfig : AIPerceptionConfig
{
    public override event Action<AIPerceptionSource> OnTargetUpdated;
    
    protected override void OnStart()
    {
        base.OnStart();
    }
}

* OnStart gets called on the frame when a script is enabled, just before any of the Update methods are called the first time. ### OnUpdate When inheriting from AIPerceptionConfig you can override OnUpdate method.

public class ExamplePerceprionConfig : AIPerceptionConfig
{
    public override event Action<AIPerceptionSource> OnTargetUpdated;
    
    protected override void OnUpdate()
    {
        base.OnUpdate();
    }
}

* OnUpdate gets called every frame, if the MonoBehaviour is enabled. ### OnStop When inheriting from AIPerceptionConfig you can override OnStop method.

public class ExamplePerceprionConfig : AIPerceptionConfig
{
    public override event Action<AIPerceptionSource> OnTargetUpdated;
    
    protected override void OnStop()
    {
        base.OnStop();
    }
}

* OnStop gets called when the config becomes destroyed.