Sublime Text - Run a General Command

If the class you want to run is a command class then write in the console: view.run_command('name_of_the_class')

NOTE: The name_of_the_class is a little different than how you declared it.

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Alternately:

If u want to run it in the plugin and not by the console (or bind it to a key):

sublime.active_window().run_command("name_of_the_class")

NOTE: This works both for sublime.WindowCommand sub-classes and sublime.TextCommand sub-classes. The only difference is that when using a text command the command gets run for each loading of the plugin, while the window command gets run for the first and only time when the window becomes active and the plugin is loaded.