# Box Source

| Message                      | Description                                 | Arguments |
| ---------------------------- | ------------------------------------------- | --------- |
| `/mixeffect/ssrc/box/source` | Set the video source for a SuperSource Box. | Multiple  |

| Argument       | Type    | Description                                             |
| -------------- | ------- | ------------------------------------------------------- |
| Box ID         | Integer | <p>1 = Box 1<br>2 = Box 2<br>3 = Box 3<br>4 = Box 4</p> |
| Video Source   | Integer | Video Source ID                                         |
| SuperSource ID | Integer | One-based index SuperSource ID. Default is 1            |

Possible Video Source IDs include:

* **0**: Black
* **1-40**: Inputs 1 through 40
* **1000**: Color Bars
* **2001**: Color 1
* **2002**: Color 2
* **3010**: Media Player 1
* **3011**: Media Player 1 Key
* **3020**: Media Player 2
* **3021**: Media Player 2 Key
* **3030**: Media Player 3
* **3031**: Media Player 3 Key
* **3040**: Media Player 4
* **3041**: Media Player 4 Key
* **6000**: SuperSource 1
* **6001**: SuperSource 2