# Detection Parameters

A detection type is how the enemy will notice the players. You can set different types or all together.

Each detection type has the **Detection** **Sensitivity** value - it means how quickly opponents will notice the characters.

![](/files/QdZMG7AOc833oWHcvHJW)

### Vision

The vision is divided into 2 parts - <mark style="color:green;">**central vision**</mark> and <mark style="color:orange;">**peripheral**</mark>. During the game, if a player is in sight, the enemy will see him. And depending on the **AI behavior**, the enemy will immediately attack the player or start looking for him.

Here you'll find more info about the **AI behavior**:

{% content-ref url="/pages/-LzriEvS7qy-m7LDNp0U" %}
[In-game Behaviour](/enemies/ai-controller/behavior.md)
{% endcontent-ref %}

![](/files/NK2A5avcZv4TihWvce0C)

### Hearing

All characters have a noise radius, if the enemy is in that area and there are no walls between them, then he hears the character.

{% content-ref url="/pages/-LzsVnbJsS\_zhkpGiKRf" %}
[Noise](/characters/controller/noise.md)
{% endcontent-ref %}

### Close Range

If a player comes close to the enemy, he detects him.

![](/files/cUnBWcTCjPesWlBaoahb)


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