> For the complete documentation index, see [llms.txt](https://help.atlas-control.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.atlas-control.app/show-settings/triggers/osc.md).

# OSC

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You can find a full list of Atlas's OSC library in the [OSC Glossary.](/glossary/atlas-controls/osc-library.md)
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Atlas is fixed to listening to incoming OSC on port 5050.
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#### Assigning a Debounce Time

Atlas has the ability to ignore OSC commands that occur within a given timeframe. By entering a time in this window Atlas will not respond to the same command within that time.  By default this setting is 0.20 seconds. 

#### Allow OSC to move playhead

Selecting this option will allow external OSC commands to move the playhead within the workspace. 

#### Custom OSC Trigger

Atlas can be triggered via a custom OSC Trigger message. To assign a custom string to trigger Atlas's cuestack enter the necessary string within this window. 

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An example where the custom OSC Trigger can be used includes the triggering of Atlas scene for scene alongside a sound console.  By creating matching scene numbers in Atlas to coincide with the console Atlas will seamlessly mirror the console scene structure. 
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### Atlas Trigger Output

Atlas can output a specific OSC command when it is triggered. You can sepecify the IP address and port here. 

<figure><img src="/files/UzaRNvLYgGmFGqJ602NH" alt=""><figcaption><p>Show Settings - Triggers showing OSC settings within Atlas</p></figcaption></figure>