Dynamic markers on Google Map
Dynamic markers are loaded on map initializaton and can any atribute can be dynamically modified: position, icon, text, session, layer, etc.
Add, update and manage here: https://bipes.net.br/map/crud/index.php/main/dynamic/
Webservice to add a new marker
You can specify the name of the marker, latitude, longitude, session, info to be shown on info window and its icon!