---
name: "BIS_fnc_halo"
type: function
status: ok
groups: ["Systems"]
arma3_since: "0.50"
locality: {"argument": null, "effect": null, "server_exec": false}
source: https://community.bistudio.com/wiki/BIS_fnc_halo
revid: 327955
updated: 2022-07-13T13:04:47Z
---

# BIS_fnc_halo

*Function · Systems · Arma 3 v0.50 · introduced in Arma 2 v1.00*

## Description

Makes a High Altitude Low Opening (HALO) parachute jump.

> [!NOTE]
> **Arma 3:** HALO feature is already implemented in Arma 3. Using this function will result in incorrect behaviour and animation.

## Syntax

```sqf
[unit, altitude] call BIS_fnc_halo
```

**Parameters:**

- `unit`: [Object](../topics/Object.md) - the HALO-performing unit
- `altitude`: [Number](../topics/Number.md) - (Optional, default 0) altitude added to the unit before HALO

**Returns:** [Nothing](../topics/Nothing.md)

## Examples

### Example 1

```sqf
[player] call BIS_fnc_halo; // instantly parachutes the player object
```

### Example 2

```sqf
[player, 100] call BIS_fnc_halo; // increases the altitude of player by 100 before HALO
```

## See also

[setUnitFreefallHeight](../commands/setUnitFreefallHeight.md) · [getUnitFreefallInfo](../commands/getUnitFreefallInfo.md)

<sub>Source: [BI Community Wiki — BIS fnc halo](https://community.bistudio.com/wiki/BIS_fnc_halo) (revision 327955).</sub>