# REQUIRE_LINE_OF_SIGHT

*LSL constant*

```lsl
integer REQUIRE_LINE_OF_SIGHT = 2;
```

Option flag for llPursue defining whether the character requires a physical line-of-sight to chase the target. When active, it will not target positions blocked by solid obstacles.

Constant groups: [CharacterPursueParam](/constants/groups/CharacterPursueParam/)

:::note[Documentation]
This entry is documented in the LSL definitions. No matching wiki article is present in this local collection. Its inclusion here does not establish availability on every simulator.
:::

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From lsl.dev: https://lsl.dev/constants/REQUIRE_LINE_OF_SIGHT/