# llDetectedRezzer

*LSL function*

```lsl
key key llDetectedRezzer(integer number);
```

- `integer number`: Index of the detection information.

- Returns: `key`
- Energy: 10

Returns an `empty key` if **number** does not correspond to a valid sensed object or avatar.

Returns a [key](https://wiki.secondlife.com/wiki/key) that is the [UUID](https://wiki.secondlife.com/wiki/UUID) of the object or avatar that rezzed the [detected](/categories/detected/) object **number**.

```lsl title="How to use" frame="terminal"
key result = llDetectedRezzer(0);
```

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*Source: [LlDetectedRezzer](https://wiki.secondlife.com/wiki/LlDetectedRezzer) on the Second Life Wiki. Content from the Second Life Wiki articles LlDetectedRezzer (revision 1216782, 2024-06-07) and Template:LSL Function/detected (revision 1168823, 2012-06-11), CC BY-SA 3.0.*

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From lsl.dev: https://lsl.dev/functions/llDetectedRezzer/