code: def CacheStorage_requestCacheNames(self, securityOrigin):
  		
  		assert isinstance(securityOrigin, (str,)
  		    ), "Argument 'securityOrigin' must be of type '['str']'. Received type: '%s'" % type(
  		    securityOrigin)
  		subdom_funcs = self.synchronous_command('CacheStorage.requestCacheNames',
  		    securityOrigin=securityOrigin)
  		return subdom_funcs
docs: Function path: CacheStorage.requestCacheNames
  			Domain: CacheStorage
  			Method name: requestCacheNames
  		
  			Parameters:
  				Required arguments:
  					'securityOrigin' (type: string) -> Security origin.
  			Returns:
  				'caches' (type: array) -> Caches for the security origin.
  		
  			Description: Requests cache names.