> 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/shortcuts/actions/set-transition-dve-details.md).

# Set DVE Transition

### **Parameters**

* **Mix Effect Block Index**: The Mix Effect Block to change. Default is M/E 1.
* **Rate**: The number of frames for the transition from 1-250.
* **DVE Effect**: The style used by the DVE transition.
* **Reverse**: Reverse the direction of the transition.
* **Flip Flop**: Flip the transition every time the transition is run.

The following fields are active only when the DVE Effect field is set to Graphic Logo Wipe:

* **Fill Source**: The video source used for the transition.
* **Enable Key**: Toggle to use a video source as a key for the fill source.
* **Key Source**: The video source to be used as the key for the transition.

The following fields are active only if Enable Key is toggled on:

* **Enable Pre Multiplied**: Set to true to identify the key source as a pre-multiplied key.
* **Clip**: Adjust the threshold at which the key cuts its hole. A lower clip level shows more of the background.
* **Gain**: Modifies the angle between on and off for the key signal. Used to adjust the softness along the edges of the key signal.
* **Invert Key**: Inverts the key source.

### **Returns**

Nothing on success. Alert if an error was encountered running the action.