> 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/sting-rate-pre-roll.md).

# Sting Rate Pre Roll

| Message                                     | Description                                          | Arguments |
| ------------------------------------------- | ---------------------------------------------------- | --------- |
| `/mixeffect/transition/sting/rate/pre-roll` | Sets the pre roll duration for the Sting transition. | Multiple  |

| Argument | Type    | Description                                          |
| -------- | ------- | ---------------------------------------------------- |
| Pre Roll | Integer | The number of frames from 1 to 255.                  |
| M/E      | Integer | One-based index of the Mix Effect Bus. Default is 1. |