### Function: UpdateQuestTaskGroupDescription(param1, param2, param3, param4)

**Description:**
Placeholder description.

**Parameters:**
- `param1`: unknown - Unknown type.
- `param2`: int32 - Integer value.
- `param3`: string - String value.
- `param4`: int8 - Small integer or boolean flag.

**Returns:** None.

**Example:**

```lua
-- Example usage
UpdateQuestTaskGroupDescription(..., ..., ..., ...)
```