.. _sardana-door-overview: ============= Door overview ============= *Door* is an entry point to the MacroServer. Door exposes an interface to run macros and interact with macro currently being run. A single Macro Server can have many active Doors at the same time but a Door can only run one macro at a time. Each Door is exposed on the sardana server as a Tango_ device. Exist a possibility to define :ref:`macro environment ` applied at the door level i.e. not visible on other doors. .. _Tango: http://www.tango-controls.org/