# File lib/AWS/Autoscaling/autoscaling.rb, line 190
190:       def describe_scaling_activities( options = {} )
191:         raise ArgumentError, "No :autoscaling_group_name provided" if options[:autoscaling_group_name].nil? || options[:autoscaling_group_name].empty?
192: 
193:         params = {}
194:         params['AutoScalingGroupName'] = options[:autoscaling_group_name]
195:         params['MaxRecords'] = options[:max_records] if options.has_key?(:max_records)
196:         params['ActivityIds'] = options[:activity_ids] if options.has_key?(:activity_ids)
197:         return response_generator(:action => "DescribeScalingActivities", :params => params)
198:       end