### Function: OpenDoor(DoorSpawn)

**Description:** Opens a door spawn in the world. This will play the door’s open animation and typically allow passage. The door remains open until closed by script or by its own auto-close timer if any.

**Parameters:**

`DoorSpawn`: Spawn – The door object to open (must be a door interactive spawn).

**Returns:** None.

**Example:**

```lua
-- Example usage (open a secret door when puzzle is solved)
OpenDoor(SecretDoor)
```