> For the complete documentation index, see [llms.txt](https://documentation.hak5.org/packet-squirrel-mark-ii/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.hak5.org/packet-squirrel-mark-ii/payload-development/duckyscript-for-packet-squirrel/ui_start.md).

# UI\_START

`UI_START` launches the Packet Squirrel web UI interface, regardless of what mode the Packet Squirrel is in.

Typically, the web UI is only launched in setup or Arming modes.