# File lib/AWS/EC2/instances.rb, line 118
118:       def modify_instance_attribute( options = {} )
119:         raise ArgumentError, "No :instance_id provided" if options[:instance_id].nil? || options[:instance_id].empty?
120:         raise ArgumentError, "No :attribute provided" if options[:attribute].nil? || options[:attribute].empty?
121:         raise ArgumentError, "No :value provided" if options[:value].nil?
122:         valid_attributes = %w(instanceType kernel ramdisk userData disableApiTermination instanceInitiatedShutdownBehavior rootDevice blockDeviceMapping)
123:         raise ArgumentError, "Invalid :attribute provided" unless valid_attributes.include?(options[:attribute].to_s)
124:         params = {}
125:         params["InstanceId"] =  options[:instance_id]
126:         params["Attribute"] =  options[:attribute]
127:         params["Value"] =  options[:value].to_s
128:         return response_generator(:action => "ModifyInstanceAttribute", :params => params)
129:       end