> For the complete documentation index, see [llms.txt](https://docs.verge.aero/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.verge.aero/drone-show-software/verge-design-studio/show-effects/show-effect-slot-sources.md).

# Show Effect: Slot Sources

Slot sources provide a way to store multiple effects in a single show effect object. They also enable flexibility on swapping in different effects automatically depending on slot count.

## Using the Auto Source Selector