> For the complete documentation index, see [llms.txt](https://docs.siminsights.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.siminsights.com/hyperskill/authoring-a-simulation/state-machine/actions/checklist.md).

# Checklist

**Checklist Action:** Here you can select which action you would like to perform with a designated Checklist Item. You can either *Add* or *Remove* an item.

**Checklist Item:** Select which item you would like to Add or Remove from your list of created items.

**Manage Checklist Items:** This ![](/files/x7h6QNr5rMyg25WnVmXW) button will open up the Checklist Management Window. Here you can add the titles and descriptions of every checklist item that would be used in your simulation. Checklist items must be created here before they can be found with the Checklist Item dropdown.