# File lib/fog/rackspace/requests/auto_scale/update_webhook.rb, line 5
        def update_webhook(group_id, policy_id, webhook_id, options)
          body = options

          request(
            :expects => [204],
            :method => 'PUT',
            :path => "groups/#{group_id}/policies/#{policy_id}/webhooks/#{webhook_id}",
            :body => Fog::JSON.encode(body)
          )
        end