> For the complete documentation index, see [llms.txt](https://docs.mixeffect.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mixeffect.app/automate/osc/messages/transitions/preview.md).

# Preview

| Message                         | Description                                                         | Arguments |
| ------------------------------- | ------------------------------------------------------------------- | --------- |
| `/mixeffect/transition/preview` | Sets the transition preview setting in the selected Mix Effect Bus. | Multiple  |

| Argument | Type    | Description                                          |
| -------- | ------- | ---------------------------------------------------- |
| Preview  | Integer | <p>0 = Off<br>1 = On<br>2 = Toggle</p>               |
| M/E      | Integer | One-based index of the Mix Effect Bus. Default is 1. |