> 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/triggers/proximity.md).

# Proximity

Entity Type A: The type of entity.

Entity A: The entity that is used for proximity.

Entity Type B: the type of entity.

Entity B: The entity that is used for proximity.

Entity A and Entity B cannot be the same object.