Help articles regarding ZMS are located in the Help for EVAC Users - ZMS section. Follow these links.
As the majority of ZMS users are EVAC customers, the help articles relating to ZMS are located in the Help for EVAC section under ZMS. Use the following links to access those articles.
Introduction to Zonehaven Map Service
Use Zonehaven Map Service (ZMS) in QGIS
Direct File Download of Current Zones
If you have any questions, reach out to support@genasys.com.