> 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/fairlight-audio/dynamics-expander-parameter-set.md).

# Dynamics Expander Parameter Set

<table><thead><tr><th width="357.3333333333333">Message</th><th>Description</th><th>Arguments</th></tr></thead><tbody><tr><td><code>/mixeffect/fairlight/dynamics-expander/parameter/set</code></td><td>Sets a single expander detail for an audio source.</td><td>Multiple</td></tr></tbody></table>

| Argument         | Type           | Description                                                                                         |
| ---------------- | -------------- | --------------------------------------------------------------------------------------------------- |
| Audio Source ID  | Integer        | Integer that is the audio source ID.                                                                |
| Source Type      | Integer        | <p>0 = Stereo<br>1 = Left Channel<br>2 = Right Channel</p>                                          |
| Parameter        | Integer        | <p>0 = Type<br>1 = Threshold<br>2 = Range<br>3 = Ratio<br>4 = Attack<br>5 = Hold<br>6 = Release</p> |
| Adjustment Value | Value or Float | -X to decrement the current value or Y to increment the current value.                              |

### Requirements

MixEffect 1.3.0 or higher