# File lib/fog/rackspace/requests/auto_scale/delete_webhook.rb, line 15
        def delete_webhook(group_id, policy_id, webhook_id)
          group = self.data[:autoscale_groups][group_id]
          if group.nil?
            raise Fog::Rackspace::AutoScale::NotFound
          end

          policy = group['policies'].find { |p| p["id"] == policy_id }
          if policy.nil?
            raise Fog::Rackspace::AutoScale::NotFound
          end

          policy['webhooks'].delete_if { |w| w['id'] == webhook_id }

          response(:status => 204)
        end