If executed with an argument (an empire ID), this will toggle communication on or off with the specified empire. If executed without an argument ('communications' on its own), this will toggle communications on or off with all empires in the game.
communications [empire id]
|Empire ID||Optional (if left blank, this command will be applied to all empires). The ID of the empire you wish to toggle communications with.|
The above command will toggle communications on or off with all empires.
If enabled, this command will disable communications with the empire of ID 4. If disabled, this command will enable communications with the empire of ID 4.