### Function: CloseDoor(param1, param2, param3)

**Description:**
Placeholder description.

**Parameters:**
- `param1`: Spawn - The spawn or entity involved.
- `param2`: unknown - Unknown type.
- `param3`: bool - Boolean value (true/false).

**Returns:** None.

**Example:**

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