# File lib/AWS/EC2/instances.rb, line 196 196: def unmonitor_instances( options = {} ) 197: options = { :instance_id => [] }.merge(options) 198: raise ArgumentError, "No :instance_id provided" if options[:instance_id].nil? || options[:instance_id].empty? 199: params = pathlist("InstanceId", options[:instance_id]) 200: return response_generator(:action => "UnmonitorInstances", :params => params) 201: end