code: function( name, options, callback ) {
  		var self = this;
  
  		// Can only create sub modules if this modules isn't finished
  		self.requireMaxState( munit.ASSERT_STATE_ACTIVE, self.module );
  
  		// Module creation is done on the main object (pass this modules prefix path)
  		return munit._module( name, options, callback, { nsprefix: self.nsPath } );
  	}
docs: Extending module