This is a script that allows GMs to quickly and very easily set up traps on the GM layer, and detect when tokens on the objects layer move over them. This trap detection even works for tokens moving by waypoints.

This wiki page has been deprecated. Full information about the script, its installation, and use are documented in the Roll20 API repository on Github: https://github.com/Roll20/roll20-api-scripts/tree/master/Its%20A%20Trap